किस मान पर ((2a+6)x-4+5x-2-1) की डिग्री (2) होगी?

For which value will the degree of ((2a+6)x-4+5x-2-1) be (2)?

Explanation opens after your attempt
Correct Answer

C. (a=-3)

Step 1

Concept

For degree (2), the coefficient of \(x^4\) must be (0). From (2a+6=0), we get (a=-3).

Step 2

Why this answer is correct

The correct answer is C. (a=-3). For degree (2), the coefficient of \(x^4\) must be (0). From (2a+6=0), we get (a=-3).

Step 3

Exam Tip

डिग्री (2) के लिए \(x^4\) का गुणांक (0) होना चाहिए। (2a+6=0) से (a=-3) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

किस मान पर ((2a+6)x-4+5x-2-1) की डिग्री (2) होगी? / For which value will the degree of ((2a+6)x-4+5x-2-1) be (2)?

Correct Answer: C. (a=-3). Explanation: डिग्री (2) के लिए \(x^4\) का गुणांक (0) होना चाहिए। (2a+6=0) से (a=-3) मिलता है। / For degree (2), the coefficient of \(x^4\) must be (0). From (2a+6=0), we get (a=-3).

Which concept should I revise for this Mathematics MCQ?

For degree (2), the coefficient of \(x^4\) must be (0). From (2a+6=0), we get (a=-3).

What exam hint can help solve this Mathematics question?

डिग्री (2) के लिए \(x^4\) का गुणांक (0) होना चाहिए। (2a+6=0) से (a=-3) मिलता है।