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coefficient-condition MCQ Questions for Class 9

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2 questions tagged with coefficient-condition.

Question 1/2 Expert Mathematics Introduction to Polynomials Definition of polynomial Class 9 Level 26

यदि (h(x)=kx-2+3x+2) शून्य बहुपद है, तो (k) के बारे में सही कथन क्या है?

If (h(x)=kx-2+3x+2) is the zero polynomial, what is correct about (k)?

Explanation opens after your attempt
Correct Answer

C. ऐसा कोई (k) संभव नहीं हैNo such (k) is possible

Step 1

Concept

In the zero polynomial, all coefficients must be (0). The coefficients of (3x) and (2) are not zero, so no such (k) is possible.

Step 2

Why this answer is correct

The correct answer is C. ऐसा कोई (k) संभव नहीं है / No such (k) is possible. In the zero polynomial, all coefficients must be (0). The coefficients of (3x) and (2) are not zero, so no such (k) is possible.

Step 3

Exam Tip

शून्य बहुपद में सभी गुणांक (0) होने चाहिए। (3x) और (2) के गुणांक शून्य नहीं हैं, इसलिए ऐसा (k) संभव नहीं।

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Question 2/2 Expert Mathematics Introduction to Polynomials Definition of polynomial Class 9 Level 26

यदि (f(x)=cx-2+4x+1) शून्य से अलग स्थिर बहुपद बनना है, तो कौन-सी बात असंभव है?

If (f(x)=cx-2+4x+1) has to become a non-zero constant polynomial, what is impossible?

Explanation opens after your attempt
Correct Answer

C. (4x) पद को शून्य करनाMaking the (4x) term zero

Step 1

Concept

The coefficient of (4x) is fixed and cannot become zero. Therefore, this expression cannot become a constant polynomial.

Step 2

Why this answer is correct

The correct answer is C. (4x) पद को शून्य करना / Making the (4x) term zero. The coefficient of (4x) is fixed and cannot become zero. Therefore, this expression cannot become a constant polynomial.

Step 3

Exam Tip

(4x) का गुणांक (4) तय है और शून्य नहीं हो सकता। इसलिए यह व्यंजक स्थिर बहुपद नहीं बन सकता।

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