यदि (p(x)=(m+1)x-3+(m-2)x-2+5) की घात (2) है, तो (m) का मान क्या होगा?

If (p(x)=(m+1)x-3+(m-2)x-2+5) has degree (2), what is the value of (m)?

Explanation opens after your attempt
Correct Answer

A. (m=-1)

Step 1

Concept

For degree (2), the coefficient of \(x^3\) must be (0) and the coefficient of \(x^2\) non-zero. This happens at (m=-1).

Step 2

Why this answer is correct

The correct answer is A. (m=-1). For degree (2), the coefficient of \(x^3\) must be (0) and the coefficient of \(x^2\) non-zero. This happens at (m=-1).

Step 3

Exam Tip

घात (2) के लिए \(x^3\) का गुणांक (0) और \(x^2\) का गुणांक अशून्य होना चाहिए। (m=-1) पर ऐसा होता है।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=(m+1)x-3+(m-2)x-2+5) की घात (2) है, तो (m) का मान क्या होगा? / If (p(x)=(m+1)x-3+(m-2)x-2+5) has degree (2), what is the value of (m)?

Correct Answer: A. (m=-1). Explanation: घात (2) के लिए \(x^3\) का गुणांक (0) और \(x^2\) का गुणांक अशून्य होना चाहिए। (m=-1) पर ऐसा होता है। / For degree (2), the coefficient of \(x^3\) must be (0) and the coefficient of \(x^2\) non-zero. This happens at (m=-1).

Which concept should I revise for this Mathematics MCQ?

For degree (2), the coefficient of \(x^3\) must be (0) and the coefficient of \(x^2\) non-zero. This happens at (m=-1).

What exam hint can help solve this Mathematics question?

घात (2) के लिए \(x^3\) का गुणांक (0) और \(x^2\) का गुणांक अशून्य होना चाहिए। (m=-1) पर ऐसा होता है।