यदि (q(x)=(k-1)2x^{10}+\(k^2-1\)x-6+4x-2) और (k=1), तो (q(x)) की डिग्री क्या है?

If (q(x)=(k-1)2x^{10}+\(k^2-1\)x-6+4x-2) and (k=1), what is the degree of (q(x))?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

C. (2)

Step 1

Concept

Putting (k=1) removes both \(x^{10}\) and \(x^6\) terms. The remaining \(4x^2\) has degree (2).

Step 2

Why this answer is correct

The correct answer is C. (2). Putting (k=1) removes both \(x^{10}\) and \(x^6\) terms. The remaining \(4x^2\) has degree (2).

Step 3

Exam Tip

(k=1) रखने पर \(x^{10}\) और \(x^6\) दोनों पद हट जाते हैं। बचा \(4x^2\) है जिसकी डिग्री (2) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (q(x)=(k-1)2x^{10}+\(k^2-1\)x-6+4x-2) और (k=1), तो (q(x)) की डिग्री क्या है? / If (q(x)=(k-1)2x^{10}+\(k^2-1\)x-6+4x-2) and (k=1), what is the degree of (q(x))?

Correct Answer: C. (2). Explanation: (k=1) रखने पर \(x^{10}\) और \(x^6\) दोनों पद हट जाते हैं। बचा \(4x^2\) है जिसकी डिग्री (2) है। / Putting (k=1) removes both \(x^{10}\) and \(x^6\) terms. The remaining \(4x^2\) has degree (2).

Which concept should I revise for this Mathematics MCQ?

Putting (k=1) removes both \(x^{10}\) and \(x^6\) terms. The remaining \(4x^2\) has degree (2).

What exam hint can help solve this Mathematics question?

(k=1) रखने पर \(x^{10}\) और \(x^6\) दोनों पद हट जाते हैं। बचा \(4x^2\) है जिसकी डिग्री (2) है।