व्यंजक ((u+2)x-4+(u+2)x+15) नियतांक बहुपद कब बनेगा?

When will ((u+2)x-4+(u+2)x+15) become a constant polynomial?

Explanation opens after your attempt
Correct Answer

B. जब (u=-2)When (u=-2)

Step 1

Concept

To become constant, the coefficients of both \(x^4\) and (x) must be (0). From (u+2=0), both terms disappear.

Step 2

Why this answer is correct

The correct answer is B. जब (u=-2) / When (u=-2). To become constant, the coefficients of both \(x^4\) and (x) must be (0). From (u+2=0), both terms disappear.

Step 3

Exam Tip

नियतांक बनने के लिए \(x^4\) और (x) दोनों के गुणांक (0) चाहिए। (u+2=0) से दोनों पद हट जाते हैं।

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Mathematics Answer, Explanation and Revision Hints

व्यंजक ((u+2)x-4+(u+2)x+15) नियतांक बहुपद कब बनेगा? / When will ((u+2)x-4+(u+2)x+15) become a constant polynomial?

Correct Answer: B. जब (u=-2) / When (u=-2). Explanation: नियतांक बनने के लिए \(x^4\) और (x) दोनों के गुणांक (0) चाहिए। (u+2=0) से दोनों पद हट जाते हैं। / To become constant, the coefficients of both \(x^4\) and (x) must be (0). From (u+2=0), both terms disappear.

Which concept should I revise for this Mathematics MCQ?

To become constant, the coefficients of both \(x^4\) and (x) must be (0). From (u+2=0), both terms disappear.

What exam hint can help solve this Mathematics question?

नियतांक बनने के लिए \(x^4\) और (x) दोनों के गुणांक (0) चाहिए। (u+2=0) से दोनों पद हट जाते हैं।