किस मान पर ((d-6)x-7+(d+1)x-5+14) की डिग्री (5) होगी?

For which value will the degree of ((d-6)x-7+(d+1)x-5+14) be (5)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (d=6)

Step 1

Concept

For degree (5), the \(x^7\) term must vanish and the \(x^5\) term must remain. This condition holds at (d=6).

Step 2

Why this answer is correct

The correct answer is B. (d=6). For degree (5), the \(x^7\) term must vanish and the \(x^5\) term must remain. This condition holds at (d=6).

Step 3

Exam Tip

डिग्री (5) के लिए \(x^7\) पद हटना चाहिए और \(x^5\) पद बचना चाहिए। (d=6) पर यह शर्त पूरी होती है।

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Mathematics Answer, Explanation and Revision Hints

किस मान पर ((d-6)x-7+(d+1)x-5+14) की डिग्री (5) होगी? / For which value will the degree of ((d-6)x-7+(d+1)x-5+14) be (5)?

Correct Answer: B. (d=6). Explanation: डिग्री (5) के लिए \(x^7\) पद हटना चाहिए और \(x^5\) पद बचना चाहिए। (d=6) पर यह शर्त पूरी होती है। / For degree (5), the \(x^7\) term must vanish and the \(x^5\) term must remain. This condition holds at (d=6).

Which concept should I revise for this Mathematics MCQ?

For degree (5), the \(x^7\) term must vanish and the \(x^5\) term must remain. This condition holds at (d=6).

What exam hint can help solve this Mathematics question?

डिग्री (5) के लिए \(x^7\) पद हटना चाहिए और \(x^5\) पद बचना चाहिए। (d=6) पर यह शर्त पूरी होती है।