यदि (p(x)=\(a^2-9\)x-4+2x+1) रैखिक बहुपद हो, तो (a) के कौन-से मान संभव हैं?
If (p(x)=\(a^2-9\)x-4+2x+1) is a linear polynomial, which values of (a) are possible?
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Correct Answer
C. (a=3) या (a=-3)(a=3) or (a=-3)
Concept
For it to be linear, the \(x^4\) coefficient must be zero and the (2x) term is present. From \(a^2-9=0\), \(a=\pm3\).
Why this answer is correct
The correct answer is C. (a=3) या (a=-3) / (a=3) or (a=-3). For it to be linear, the \(x^4\) coefficient must be zero and the (2x) term is present. From \(a^2-9=0\), \(a=\pm3\).
Exam Tip
रैखिक होने के लिए \(x^4\) का गुणांक शून्य होना चाहिए और (2x) पद मौजूद है। \(a^2-9=0\) से \(a=\pm3\)।
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