डिग्री (2) के लिए \(x^9\) और \(x^6\) दोनों पद हटने चाहिए। (a=-3) पर दोनों गुणांक (0) हो जाते हैं। / For degree (2), both \(x^9\) and \(x^6\) terms must vanish. At (a=-3), both coefficients become (0).
Mathematics Answer, Explanation and Revision Hints
यदि (p(x)=(a+3)x-9+\(a^2-9\)x-6+4x-2-5) की डिग्री (2) है, तो (a) का सही मान कौन सा है? / If the degree of (p(x)=(a+3)x-9+\(a^2-9\)x-6+4x-2-5) is (2), which value of (a) is correct?
Correct Answer: B. (a=-3). Explanation: डिग्री (2) के लिए \(x^9\) और \(x^6\) दोनों पद हटने चाहिए। (a=-3) पर दोनों गुणांक (0) हो जाते हैं। / For degree (2), both \(x^9\) and \(x^6\) terms must vanish. At (a=-3), both coefficients become (0).
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