किस मान पर ((2a-8)x-6+(a+1)x-3+4) की डिग्री (3) होगी?

For which value will the degree of ((2a-8)x-6+(a+1)x-3+4) be (3)?

Explanation opens after your attempt
Correct Answer

C. (a=4)

Step 1

Concept

For degree (3), the coefficient of \(x^6\) must be (0) and the coefficient of \(x^3\) must remain non-zero. From (2a-8=0), (a=4).

Step 2

Why this answer is correct

The correct answer is C. (a=4). For degree (3), the coefficient of \(x^6\) must be (0) and the coefficient of \(x^3\) must remain non-zero. From (2a-8=0), (a=4).

Step 3

Exam Tip

डिग्री (3) के लिए \(x^6\) का गुणांक (0) होना चाहिए और \(x^3\) का गुणांक अशून्य रहना चाहिए। (2a-8=0) से (a=4) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

किस मान पर ((2a-8)x-6+(a+1)x-3+4) की डिग्री (3) होगी? / For which value will the degree of ((2a-8)x-6+(a+1)x-3+4) be (3)?

Correct Answer: C. (a=4). Explanation: डिग्री (3) के लिए \(x^6\) का गुणांक (0) होना चाहिए और \(x^3\) का गुणांक अशून्य रहना चाहिए। (2a-8=0) से (a=4) मिलता है। / For degree (3), the coefficient of \(x^6\) must be (0) and the coefficient of \(x^3\) must remain non-zero. From (2a-8=0), (a=4).

Which concept should I revise for this Mathematics MCQ?

For degree (3), the coefficient of \(x^6\) must be (0) and the coefficient of \(x^3\) must remain non-zero. From (2a-8=0), (a=4).

What exam hint can help solve this Mathematics question?

डिग्री (3) के लिए \(x^6\) का गुणांक (0) होना चाहिए और \(x^3\) का गुणांक अशून्य रहना चाहिए। (2a-8=0) से (a=4) मिलता है।