किस मान पर ((k+5)x-4-7x+9) की डिग्री (1) होगी?

For which value will the degree of ((k+5)x-4-7x+9) be (1)?

Explanation opens after your attempt
Correct Answer

B. (k=-5)

Step 1

Concept

For degree (1), the coefficient of \(x^4\) must be (0). From (k+5=0), we get (k=-5).

Step 2

Why this answer is correct

The correct answer is B. (k=-5). For degree (1), the coefficient of \(x^4\) must be (0). From (k+5=0), we get (k=-5).

Step 3

Exam Tip

डिग्री (1) के लिए \(x^4\) का गुणांक (0) होना चाहिए। (k+5=0) से (k=-5) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

किस मान पर ((k+5)x-4-7x+9) की डिग्री (1) होगी? / For which value will the degree of ((k+5)x-4-7x+9) be (1)?

Correct Answer: B. (k=-5). Explanation: डिग्री (1) के लिए \(x^4\) का गुणांक (0) होना चाहिए। (k+5=0) से (k=-5) मिलता है। / For degree (1), the coefficient of \(x^4\) must be (0). From (k+5=0), we get (k=-5).

Which concept should I revise for this Mathematics MCQ?

For degree (1), the coefficient of \(x^4\) must be (0). From (k+5=0), we get (k=-5).

What exam hint can help solve this Mathematics question?

डिग्री (1) के लिए \(x^4\) का गुणांक (0) होना चाहिए। (k+5=0) से (k=-5) मिलता है।