Concept-wise Practice

definition MCQ Questions for Class 10

definition se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

77 questions tagged with definition.

विशेषज्ञ स्तर पर केवल परिभाषा लिखना क्यों पर्याप्त नहीं है?

Why is writing only definition not enough at expert level?

Explanation opens after your attempt
Correct Answer

D. क्योंकि संदर्भ प्रमाण प्रभाव और अनुप्रयोग भी चाहिएBecause context evidence effect and application are also needed

Step 1

Concept

Expert answer needs analysis beyond definition. Exam tip: add application.

Step 2

Why this answer is correct

The correct answer is D. क्योंकि संदर्भ प्रमाण प्रभाव और अनुप्रयोग भी चाहिए / Because context evidence effect and application are also needed. Expert answer needs analysis beyond definition. Exam tip: add application.

Step 3

Exam Tip

विशेषज्ञ उत्तर परिभाषा से आगे विश्लेषण मांगता है। परीक्षा में application जोड़ें।

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यदि छात्र केवल परिभाषा लिखता है तो विशेषज्ञ स्तर में क्या कमी रहेगी?

If a student writes only definition what will be lacking at expert level?

Explanation opens after your attempt
Correct Answer

A. संदर्भ प्रमाण प्रभाव और अनुप्रयोगContext evidence effect and application

Step 1

Concept

Expert answer needs analysis beyond definition. Exam tip: add application.

Step 2

Why this answer is correct

The correct answer is A. संदर्भ प्रमाण प्रभाव और अनुप्रयोग / Context evidence effect and application. Expert answer needs analysis beyond definition. Exam tip: add application.

Step 3

Exam Tip

विशेषज्ञ उत्तर में परिभाषा से आगे विश्लेषण चाहिए। परीक्षा में application जरूर जोड़ें।

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यदि कोई छात्र केवल परिभाषा लिखता है तो hard level में क्या कमी रहेगी?

If a student writes only definition what will be lacking at hard level?

Explanation opens after your attempt
Correct Answer

A. उदाहरण प्रभाव और अनुप्रयोगExample effect and application

Step 1

Concept

Hard level needs analysis beyond definition. Exam tip: add application.

Step 2

Why this answer is correct

The correct answer is A. उदाहरण प्रभाव और अनुप्रयोग / Example effect and application. Hard level needs analysis beyond definition. Exam tip: add application.

Step 3

Exam Tip

Hard level में परिभाषा से आगे विश्लेषण चाहिए। परीक्षा में application जरूर जोड़ें।

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मैदानों की तुलना में पठार सामान्यतः कैसे होते हैं?

Compared to plains how are plateaus generally?

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Correct Answer

A. ऊंचे और समतलHigh and flat

Step 1

Concept

Plateaus are flat lands higher than surrounding areas. For exams remember the definition of plateau.

Step 2

Why this answer is correct

The correct answer is A. ऊंचे और समतल / High and flat. Plateaus are flat lands higher than surrounding areas. For exams remember the definition of plateau.

Step 3

Exam Tip

पठार आसपास के क्षेत्रों से ऊंचे समतल भूभाग होते हैं। परीक्षा में पठार की परिभाषा याद रखें।

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तीन संख्याएं (a,b,c) समांतर श्रेणी में हैं या नहीं, यह जांचने की सही शर्त कौन सी है?

Which condition correctly checks whether (a,b,c) are in AP?

Explanation opens after your attempt
Correct Answer

D. (b-a=c-b)

Step 1

Concept

In an AP, consecutive differences are equal, so (b-a=c-b). In exams, the same condition can be written as (2b=a+c).

Step 2

Why this answer is correct

The correct answer is D. (b-a=c-b). In an AP, consecutive differences are equal, so (b-a=c-b). In exams, the same condition can be written as (2b=a+c).

Step 3

Exam Tip

समांतर श्रेणी में लगातार अंतर बराबर होते हैं, इसलिए (b-a=c-b)। परीक्षा में इसी को (2b=a+c) भी लिखा जा सकता है।

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यदि किसी अनुक्रम में \(a_{n+1}-a_n=2n+1\) है, तो वह समांतर श्रेणी कब होगी?

If a sequence has \(a_{n+1}-a_n=2n+1\), when will it be an AP?

Explanation opens after your attempt
Correct Answer

D. कभी नहींNever

Step 1

Concept

The difference depends on (n), so it is not constant for all (n). In exams, if (n) remains in the difference, it is not an AP.

Step 2

Why this answer is correct

The correct answer is D. कभी नहीं / Never. The difference depends on (n), so it is not constant for all (n). In exams, if (n) remains in the difference, it is not an AP.

Step 3

Exam Tip

अंतर (n) पर निर्भर है, इसलिए सभी (n) के लिए स्थिर नहीं है। परीक्षा में अंतर में (n) बच जाए तो समांतर श्रेणी नहीं मानी जाती।

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किस कथन से किसी अनुक्रम के समांतर श्रेणी होने की पुष्टि सीधे होती है?

Which statement directly confirms that a sequence is an AP?

Explanation opens after your attempt
Correct Answer

A. \(a_{n+1}-a_n\) हर (n) के लिए स्थिर है\(a_{n+1}-a_n\) is constant for every (n)

Step 1

Concept

The definition of an AP is based on a constant consecutive difference. In definition-based questions, use this test.

Step 2

Why this answer is correct

The correct answer is A. \(a_{n+1}-a_n\) हर (n) के लिए स्थिर है / \(a_{n+1}-a_n\) is constant for every (n). The definition of an AP is based on a constant consecutive difference. In definition-based questions, use this test.

Step 3

Exam Tip

समांतर श्रेणी की परिभाषा लगातार अंतर के स्थिर होने पर आधारित है। परीक्षा में परिभाषा-आधारित प्रश्नों में यही कसौटी लगाएं।

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किसी अनुक्रम में हर (n) के लिए \(a_{n+1}-a_n=6\) है। निष्कर्ष क्या है?

In a sequence, \(a_{n+1}-a_n=6\) for every (n). What is the conclusion?

Explanation opens after your attempt
Correct Answer

D. यह समांतर श्रेणी है और (d=6)It is an AP and (d=6)

Step 1

Concept

The consecutive difference is the constant (6), so the sequence is an AP. In exams, a constant \(a_{n+1}-a_n\) identifies an AP.

Step 2

Why this answer is correct

The correct answer is D. यह समांतर श्रेणी है और (d=6) / It is an AP and (d=6). The consecutive difference is the constant (6), so the sequence is an AP. In exams, a constant \(a_{n+1}-a_n\) identifies an AP.

Step 3

Exam Tip

लगातार अंतर स्थिर (6) है, इसलिए अनुक्रम समांतर श्रेणी है। परीक्षा में \(a_{n+1}-a_n\) स्थिर मिले तो तुरंत समांतर श्रेणी पहचानें।

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अनुक्रम \(a,a+r,a+2r,a+3r,\ldots\) के बारे में सही कथन कौन सा है?

Which statement is correct about the sequence \(a,a+r,a+2r,a+3r,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. यह समांतर श्रेणी है और (d=r)It is an AP and (d=r)

Step 1

Concept

Subtracting each term from the next gives (r). In exams, apply the same difference rule even with symbols.

Step 2

Why this answer is correct

The correct answer is A. यह समांतर श्रेणी है और (d=r) / It is an AP and (d=r). Subtracting each term from the next gives (r). In exams, apply the same difference rule even with symbols.

Step 3

Exam Tip

हर अगले पद से पिछले पद को घटाने पर (r) मिलता है। परीक्षा में प्रतीकात्मक पदों में भी वही नियम लगाएं।

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समांतर श्रेढ़ी की मुख्य पहचान क्या है?

What is the main identity of an arithmetic progression?

Explanation opens after your attempt
Correct Answer

B. लगातार पदों का अंतर समान होता हैThe difference of consecutive terms is equal

Step 1

Concept

In an arithmetic progression, differences like \(a_2-a_1\) remain constant. This should be checked first.

Step 2

Why this answer is correct

The correct answer is B. लगातार पदों का अंतर समान होता है / The difference of consecutive terms is equal. In an arithmetic progression, differences like \(a_2-a_1\) remain constant. This should be checked first.

Step 3

Exam Tip

समांतर श्रेढ़ी में \(a_2-a_1\) जैसा अंतर स्थिर रहता है। यही सबसे पहले जाँचना चाहिए।

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कौन सा कथन अंकगणितीय श्रेणी के लिए सही है?

Which statement is true for an arithmetic progression?

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Correct Answer

D. हर अगला पद पिछले पद में समान संख्या जोड़कर मिलता हैEach next term is obtained by adding the same number to the previous term

Step 1

Concept

In an arithmetic progression the same number is added. This number is called the common difference.

Step 2

Why this answer is correct

The correct answer is D. हर अगला पद पिछले पद में समान संख्या जोड़कर मिलता है / Each next term is obtained by adding the same number to the previous term. In an arithmetic progression the same number is added. This number is called the common difference.

Step 3

Exam Tip

अंकगणितीय श्रेणी में समान संख्या जोड़ी जाती है। यही संख्या सार्व अंतर कहलाती है।

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कौन-सा विकल्प समांतर श्रेढ़ी की सही विशेषता बताता है?

Which option states the correct property of an arithmetic progression?

Explanation opens after your attempt
Correct Answer

B. हर दो लगातार पदों का अंतर समान होता हैThe difference between every two consecutive terms is equal

Step 1

Concept

In an arithmetic progression, the difference between consecutive terms is constant. This is its main identity.

Step 2

Why this answer is correct

The correct answer is B. हर दो लगातार पदों का अंतर समान होता है / The difference between every two consecutive terms is equal. In an arithmetic progression, the difference between consecutive terms is constant. This is its main identity.

Step 3

Exam Tip

समांतर श्रेढ़ी में लगातार पदों का अंतर स्थिर होता है। यही इसकी मुख्य पहचान है।

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कौन सा व्यंजक बहुपद नहीं है क्योंकि चर की घात भिन्न है?

Which expression is not a polynomial because the variable has a fractional power?

Explanation opens after your attempt
Correct Answer

C. \(x^{\frac{3}{2}}+x+1\)

Step 1

Concept

In \(x^{\frac{3}{2}}\), the power of the variable is fractional, so it is not a polynomial. In a polynomial, powers are non-negative integers.

Step 2

Why this answer is correct

The correct answer is C. \(x^{\frac{3}{2}}+x+1\). In \(x^{\frac{3}{2}}\), the power of the variable is fractional, so it is not a polynomial. In a polynomial, powers are non-negative integers.

Step 3

Exam Tip

\(x^{\frac{3}{2}}\) में चर की घात भिन्न है, इसलिए यह बहुपद नहीं है। बहुपद में घातें अऋणात्मक पूर्णांक होती हैं।

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एक चर के बहुपद में चर की घातें कैसी होनी चाहिए?

What should the powers of the variable be in a polynomial in one variable?

Explanation opens after your attempt
Correct Answer

C. अऋणात्मक पूर्णांकNon-negative integers

Step 1

Concept

In a polynomial, powers of the variable are non-negative integers like \(0,1,2,\ldots\). This is the basic identification rule.

Step 2

Why this answer is correct

The correct answer is C. अऋणात्मक पूर्णांक / Non-negative integers. In a polynomial, powers of the variable are non-negative integers like \(0,1,2,\ldots\). This is the basic identification rule.

Step 3

Exam Tip

बहुपद में चर की घातें \(0,1,2,\ldots\) जैसी अऋणात्मक पूर्णांक होती हैं। यही बहुपद की मूल पहचान है।

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अशून्य अचर बहुपद (p(x)=-18) की घात क्या है?

What is the degree of the non-zero constant polynomial (p(x)=-18)?

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Correct Answer

A. (0)

Step 1

Concept

A non-zero constant polynomial has degree (0). A constant number is linked with degree (0).

Step 2

Why this answer is correct

The correct answer is A. (0). A non-zero constant polynomial has degree (0). A constant number is linked with degree (0).

Step 3

Exam Tip

अशून्य अचर बहुपद की घात (0) होती है। अचर संख्या का अर्थ घात (0) से जुड़ा है।

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\(x^2+\sqrt{5}x-7\) के बारे में सही कथन कौन सा है?

Which statement is correct about \(x^2+\sqrt{5}x-7\)?

Explanation opens after your attempt
Correct Answer

B. यह (x) में बहुपद हैIt is a polynomial in (x)

Step 1

Concept

\(\sqrt{5}\) is a real coefficient and the powers of (x) are whole numbers. So it is a polynomial in (x).

Step 2

Why this answer is correct

The correct answer is B. यह (x) में बहुपद है / It is a polynomial in (x). \(\sqrt{5}\) is a real coefficient and the powers of (x) are whole numbers. So it is a polynomial in (x).

Step 3

Exam Tip

\(\sqrt{5}\) वास्तविक गुणांक है और (x) की घातें पूर्ण संख्याएँ हैं। इसलिए यह (x) में बहुपद है।

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निम्न में से कौन सा (t) में बहुपद है?

Which of the following is a polynomial in (t)?

Explanation opens after your attempt
Correct Answer

C. \(4t^3-\frac{1}{2}t+7\)

Step 1

Concept

In \(4t^3-\frac{1}{2}t+7\), the powers of (t) are (3), (1), and (0). All are whole numbers.

Step 2

Why this answer is correct

The correct answer is C. \(4t^3-\frac{1}{2}t+7\). In \(4t^3-\frac{1}{2}t+7\), the powers of (t) are (3), (1), and (0). All are whole numbers.

Step 3

Exam Tip

\(4t^3-\frac{1}{2}t+7\) में (t) की घातें (3), (1) और (0) हैं। ये सभी पूर्ण संख्याएँ हैं।

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निम्न में से कौन सा व्यंजक (x) में बहुपद नहीं है?

Which of the following expression is not a polynomial in (x)?

Explanation opens after your attempt
Correct Answer

D. \(x^2+\frac{4}{x}+1\)

Step 1

Concept

\(\frac{4}{x}=4x^{-1}\) has a negative power of the variable. In a polynomial, powers of the variable must be whole numbers.

Step 2

Why this answer is correct

The correct answer is D. \(x^2+\frac{4}{x}+1\). \(\frac{4}{x}=4x^{-1}\) has a negative power of the variable. In a polynomial, powers of the variable must be whole numbers.

Step 3

Exam Tip

\(\frac{4}{x}=4x^{-1}\) में चर की घात ऋणात्मक है। बहुपद में चर की घातें पूर्ण संख्याएँ होनी चाहिए।

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किसी बहुपद में (x) की घातें कैसी होनी चाहिए?

What should the powers of (x) be in a polynomial?

Explanation opens after your attempt
Correct Answer

C. अऋणात्मक पूर्णांकNon-negative integers

Step 1

Concept

In a polynomial, powers of the variable are non-negative integers like \(0,1,2,\ldots\). This is the key identification rule.

Step 2

Why this answer is correct

The correct answer is C. अऋणात्मक पूर्णांक / Non-negative integers. In a polynomial, powers of the variable are non-negative integers like \(0,1,2,\ldots\). This is the key identification rule.

Step 3

Exam Tip

बहुपद में चर की घातें \(0,1,2,\ldots\) जैसी अऋणात्मक पूर्णांक होती हैं। यही सबसे महत्वपूर्ण पहचान नियम है।

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अशून्य अचर बहुपद (p(x)=12) की घात क्या होती है?

What is the degree of the non-zero constant polynomial (p(x)=12)?

Explanation opens after your attempt
Correct Answer

A. (0)

Step 1

Concept

A non-zero constant polynomial has degree (0). Keep it separate from the zero polynomial.

Step 2

Why this answer is correct

The correct answer is A. (0). A non-zero constant polynomial has degree (0). Keep it separate from the zero polynomial.

Step 3

Exam Tip

अशून्य अचर बहुपद की घात (0) होती है। शून्य बहुपद से इसे अलग रखें।

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(p(x)=0) को किस नाम से जाना जाता है?

What is (p(x)=0) called?

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Correct Answer

C. शून्य बहुपदZero polynomial

Step 1

Concept

(p(x)=0) is called the zero polynomial. Its degree is considered undefined.

Step 2

Why this answer is correct

The correct answer is C. शून्य बहुपद / Zero polynomial. (p(x)=0) is called the zero polynomial. Its degree is considered undefined.

Step 3

Exam Tip

(p(x)=0) शून्य बहुपद कहलाता है। इसकी घात परिभाषित नहीं मानी जाती।

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यदि (p(a)=0), तो (a) को (p(x)) का क्या कहा जाता है?

If (p(a)=0), what is (a) called for (p(x))?

Explanation opens after your attempt
Correct Answer

C. शून्यZero

Step 1

Concept

If (p(a)=0), then (a) is called a zero of the polynomial. To test a zero, substitute that number for (x).

Step 2

Why this answer is correct

The correct answer is C. शून्य / Zero. If (p(a)=0), then (a) is called a zero of the polynomial. To test a zero, substitute that number for (x).

Step 3

Exam Tip

यदि (p(a)=0), तो (a) बहुपद का शून्य कहलाता है। शून्य जाँचने के लिए उस संख्या को (x) में रखें।

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निम्न में से कौन सा (x) में बहुपद है?

Which of the following is a polynomial in (x)?

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Correct Answer

A. \(x^2+3x+5\)

Step 1

Concept

A polynomial has only non-negative integer powers of (x). In exams check the power of every term.

Step 2

Why this answer is correct

The correct answer is A. \(x^2+3x+5\). A polynomial has only non-negative integer powers of (x). In exams check the power of every term.

Step 3

Exam Tip

बहुपद में (x) की घात केवल पूर्णांक और अशून्य नहीं बल्कि ऋणात्मक नहीं होनी चाहिए। परीक्षा में हर पद की घात जांचें।

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यदि किसी द्विघात समीकरण (q(x)=0) में (q(t)=0) है तो (t) क्या कहलाता है?

If (q(t)=0) in a quadratic equation (q(x)=0), what is (t) called?

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Correct Answer

A. मूलRoot

Step 1

Concept

(q(t)=0) means the equation is true when (x=t). Therefore (t) is a root of the equation.

Step 2

Why this answer is correct

The correct answer is A. मूल / Root. (q(t)=0) means the equation is true when (x=t). Therefore (t) is a root of the equation.

Step 3

Exam Tip

(q(t)=0) का अर्थ है कि (x=t) रखने पर समीकरण सत्य है। इसलिए (t) उस समीकरण का मूल है।

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यदि किसी द्विघात समीकरण (p(x)=0) में (x=a) रखने पर (p(a)=0) हो जाता है तो (a) क्या कहलाता है?

If substituting (x=a) in a quadratic equation (p(x)=0) gives (p(a)=0), what is (a) called?

Explanation opens after your attempt
Correct Answer

A. मूलRoot

Step 1

Concept

Since the equation becomes true after substituting (x=a), (a) is a root. In exams check a root by direct substitution.

Step 2

Why this answer is correct

The correct answer is A. मूल / Root. Since the equation becomes true after substituting (x=a), (a) is a root. In exams check a root by direct substitution.

Step 3

Exam Tip

क्योंकि (x=a) रखने पर समीकरण सत्य हो जाता है इसलिए (a) मूल है। परीक्षा में मूल की जांच सीधे प्रतिस्थापन से करें।

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यदि किसी द्विघात बहुपद (p(x)) के लिए (p(r)=0) है तो (r) के बारे में सही कथन कौन सा है?

If (p(r)=0) for a quadratic polynomial (p(x)), which statement about (r) is correct?

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Correct Answer

A. (r) समीकरण (p(x)=0) का मूल है(r) is a root of (p(x)=0)

Step 1

Concept

(p(r)=0) means the equation is satisfied when (x=r). Substitution is the safest way to check a root.

Step 2

Why this answer is correct

The correct answer is A. (r) समीकरण (p(x)=0) का मूल है / (r) is a root of (p(x)=0). (p(r)=0) means the equation is satisfied when (x=r). Substitution is the safest way to check a root.

Step 3

Exam Tip

(p(r)=0) का अर्थ है कि (x=r) रखने पर समीकरण संतुष्ट होता है। मूल जांचने के लिए प्रतिस्थापन सबसे सुरक्षित तरीका है।

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यदि किसी संख्या (a) के लिए (p(a)=0) हो तो (a) को (p(x)=0) का क्या कहते हैं?

If (p(a)=0) for a number (a), what is (a) called for (p(x)=0)?

Explanation opens after your attempt
Correct Answer

A. मूलRoot

Step 1

Concept

If (p(a)=0), then (a) satisfies the equation. Therefore (a) is its root.

Step 2

Why this answer is correct

The correct answer is A. मूल / Root. If (p(a)=0), then (a) satisfies the equation. Therefore (a) is its root.

Step 3

Exam Tip

(p(a)=0) होने पर (a) समीकरण को संतुष्ट करता है। इसलिए (a) उसका मूल है।

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किसी द्विघात समीकरण (p(x)=0) का मूल वह संख्या है जिससे (p(x)) का मान क्या हो जाता है?

A root of a quadratic equation (p(x)=0) is a number for which the value of (p(x)) becomes what?

Explanation opens after your attempt
Correct Answer

B. (0)

Step 1

Concept

When a root is substituted, (p(x)=0) becomes true. In exams always check a root by substitution.

Step 2

Why this answer is correct

The correct answer is B. (0). When a root is substituted, (p(x)=0) becomes true. In exams always check a root by substitution.

Step 3

Exam Tip

मूल रखने पर (p(x)=0) बनता है। परीक्षा में मूल की जांच हमेशा प्रतिस्थापन से करें।

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किसी द्विघात समीकरण का मूल किसे कहते हैं?

What is called a root of a quadratic equation?

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Correct Answer

A. वह मान जिससे समीकरण सत्य होThe value that satisfies the equation

Step 1

Concept

A root is a value that makes the equation equal to (0). In exams first substitute the value and check.

Step 2

Why this answer is correct

The correct answer is A. वह मान जिससे समीकरण सत्य हो / The value that satisfies the equation. A root is a value that makes the equation equal to (0). In exams first substitute the value and check.

Step 3

Exam Tip

मूल वह मान है जिसे रखने पर समीकरण का मान (0) हो जाता है। परीक्षा में पहले मान रखकर जांचें।

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यदि किसी समीकरण में चर की सबसे बड़ी घात (2) है तो उसे क्या कहा जाता है?

If the highest power of the variable in an equation is (2), what is it called?

Explanation opens after your attempt
Correct Answer

B. द्विघात समीकरणQuadratic equation

Step 1

Concept

When the highest power is (2), the equation is called quadratic. Identifying degree is the first step.

Step 2

Why this answer is correct

The correct answer is B. द्विघात समीकरण / Quadratic equation. When the highest power is (2), the equation is called quadratic. Identifying degree is the first step.

Step 3

Exam Tip

सबसे बड़ी घात (2) होने पर समीकरण द्विघात कहलाता है। घात पहचानना पहला कदम है।

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