यदि (p(x)=\(k^2-1\)x-5+2x-4+3), तो (p(x)) की घात (4) कब होगी?

If (p(x)=\(k^2-1\)x-5+2x-4+3), when will the degree of (p(x)) be (4)?

Explanation opens after your attempt
Correct Answer

A. (k=1) या (k=-1)(k=1) or (k=-1)

Step 1

Concept

For degree (4), the coefficient of \(x^5\) must be zero. From \(k^2-1=0\), \(k=\pm1\), and \(2x^4\) remains non-zero.

Step 2

Why this answer is correct

The correct answer is A. (k=1) या (k=-1) / (k=1) or (k=-1). For degree (4), the coefficient of \(x^5\) must be zero. From \(k^2-1=0\), \(k=\pm1\), and \(2x^4\) remains non-zero.

Step 3

Exam Tip

घात (4) के लिए \(x^5\) का गुणांक शून्य होना चाहिए। \(k^2-1=0\) से \(k=\pm1\) और \(2x^4\) अशून्य रहता है।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=\(k^2-1\)x-5+2x-4+3), तो (p(x)) की घात (4) कब होगी? / If (p(x)=\(k^2-1\)x-5+2x-4+3), when will the degree of (p(x)) be (4)?

Correct Answer: A. (k=1) या (k=-1) / (k=1) or (k=-1). Explanation: घात (4) के लिए \(x^5\) का गुणांक शून्य होना चाहिए। \(k^2-1=0\) से \(k=\pm1\) और \(2x^4\) अशून्य रहता है। / For degree (4), the coefficient of \(x^5\) must be zero. From \(k^2-1=0\), \(k=\pm1\), and \(2x^4\) remains non-zero.

Which concept should I revise for this Mathematics MCQ?

For degree (4), the coefficient of \(x^5\) must be zero. From \(k^2-1=0\), \(k=\pm1\), and \(2x^4\) remains non-zero.

What exam hint can help solve this Mathematics question?

घात (4) के लिए \(x^5\) का गुणांक शून्य होना चाहिए। \(k^2-1=0\) से \(k=\pm1\) और \(2x^4\) अशून्य रहता है।