किस मान पर ((d-3)x-6+(d+1)x-4+12) की डिग्री (4) होगी?
For which value will the degree of ((d-3)x-6+(d+1)x-4+12) be (4)?
Explanation opens after your attempt
A. (d=3)
Concept
For degree (4), the \(x^6\) term must vanish and the \(x^4\) term must remain. This condition holds at (d=3).
Why this answer is correct
The correct answer is A. (d=3). For degree (4), the \(x^6\) term must vanish and the \(x^4\) term must remain. This condition holds at (d=3).
Exam Tip
डिग्री (4) के लिए \(x^6\) पद हटना चाहिए और \(x^4\) पद बचना चाहिए। (d=3) पर यह शर्त पूरी होती है।
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