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degree-five MCQ Questions for Class 9

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5 questions tagged with degree-five.

Question 1/5 Medium Mathematics Introduction to Polynomials Definition of polynomial Class 9 Level 28

कौन-सा व्यंजक बहुपद है और उसकी घात (5) है?

Which expression is a polynomial of degree (5)?

Explanation opens after your attempt
Correct Answer

C. \(2x^5-x^2+3\)

Step 1

Concept

In \(2x^5-x^2+3\), all powers are valid and the highest power is (5).

Step 2

Why this answer is correct

The correct answer is C. \(2x^5-x^2+3\). In \(2x^5-x^2+3\), all powers are valid and the highest power is (5).

Step 3

Exam Tip

\(2x^5-x^2+3\) में सभी घातें मान्य हैं और सबसे बड़ी घात (5) है।

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Question 2/5 Expert Mathematics Introduction to Polynomials Definition of polynomial Class 9 Level 28

यदि (q(x)=(a+2)x-6+(a-4)x-5+3) की घात ठीक (5) हो, तो (a) का मान क्या होगा?

If (q(x)=(a+2)x-6+(a-4)x-5+3) has degree exactly (5), what is the value of (a)?

Explanation opens after your attempt
Correct Answer

B. (-2)

Step 1

Concept

For degree (5), the \(x^6\) coefficient must be zero and the \(x^5\) coefficient must be non-zero. At (a=-2), (a-4=-6) remains non-zero.

Step 2

Why this answer is correct

The correct answer is B. (-2). For degree (5), the \(x^6\) coefficient must be zero and the \(x^5\) coefficient must be non-zero. At (a=-2), (a-4=-6) remains non-zero.

Step 3

Exam Tip

घात (5) के लिए \(x^6\) का गुणांक शून्य और \(x^5\) का गुणांक अशून्य होना चाहिए। (a=-2) पर (a-4=-6) अशून्य रहता है।

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Question 3/5 Expert Mathematics Introduction to Polynomials Definition of polynomial Class 9 Level 27

यदि (p(x)=ax-5+bx-3+c) और \(a\neq0\), तो (p(x)) की घात क्या होगी?

If (p(x)=ax-5+bx-3+c) and \(a\neq0\), what is the degree of (p(x))?

Explanation opens after your attempt
Correct Answer

B. (5)

Step 1

Concept

Since \(a\neq0\), the \(x^5\) term is present. Therefore, the highest power is (5).

Step 2

Why this answer is correct

The correct answer is B. (5). Since \(a\neq0\), the \(x^5\) term is present. Therefore, the highest power is (5).

Step 3

Exam Tip

\(a\neq0\) होने से \(x^5\) पद मौजूद रहता है। इसलिए सबसे बड़ी घात (5) है।

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Question 4/5 Expert Mathematics Introduction to Polynomials Definition of polynomial Class 9 Level 27

कौन-सा बहुपद चार पदों वाला है और घात (5) रखता है?

Which polynomial has four terms and degree (5)?

Explanation opens after your attempt
Correct Answer

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

Step 1

Concept

\(x^5+x^3-x+2\) has (4) terms and the highest power is (5). There is no variable in the denominator.

Step 2

Why this answer is correct

The correct answer is A. \(x^5+x^3-x+2\). \(x^5+x^3-x+2\) has (4) terms and the highest power is (5). There is no variable in the denominator.

Step 3

Exam Tip

\(x^5+x^3-x+2\) में (4) पद हैं और सबसे बड़ी घात (5) है। हर में चर नहीं है।

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Question 5/5 Medium Mathematics Introduction to Polynomials Definition of polynomial Class 9 Level 26

कौन-सा व्यंजक (x) में बहुपद है और (x) की सबसे बड़ी घात (5) है?

Which expression is a polynomial in (x) and has highest power (5)?

Explanation opens after your attempt
Correct Answer

A. \(x^5-2x^2+6\)

Step 1

Concept

In \(x^5-2x^2+6\), all powers are valid and the highest power is (5). So it is a polynomial of degree (5).

Step 2

Why this answer is correct

The correct answer is A. \(x^5-2x^2+6\). In \(x^5-2x^2+6\), all powers are valid and the highest power is (5). So it is a polynomial of degree (5).

Step 3

Exam Tip

\(x^5-2x^2+6\) में सभी घातें मान्य हैं और सबसे बड़ी घात (5) है। इसलिए यह घात (5) का बहुपद है।

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