यदि (p(x)=(a-2)x-8+(a+1)x-5-3x+7) की डिग्री (5) है, तो (a) का सही मान कौन सा है?
If the degree of (p(x)=(a-2)x-8+(a+1)x-5-3x+7) is (5), which value of (a) is correct?
Explanation opens after your attempt
A. (a=2)
Concept
For degree (5), the coefficient of \(x^8\) must be (0) and the coefficient of \(x^5\) must be non-zero. This condition holds at (a=2).
Why this answer is correct
The correct answer is A. (a=2). For degree (5), the coefficient of \(x^8\) must be (0) and the coefficient of \(x^5\) must be non-zero. This condition holds at (a=2).
Exam Tip
डिग्री (5) के लिए \(x^8\) का गुणांक (0) और \(x^5\) का गुणांक अशून्य होना चाहिए। (a=2) पर यह शर्त पूरी होती है।
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