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If (q(x)=(a+2)x^6+(a-4)x^5+3) has degree exactly (5), what is the value of (a)?यदि (q(x)=(a+2)x^6+(a-4)x^5+3) की घात ठीक (5) हो, तो (a) का मान क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (-2)(-2)
For degree (5), the (x^6) coefficient must be zero and the (x^5) coefficient must be non-zero. At (a=-2), (a-4=-6) remains non-zero.घात (5) के लिए (x^6) का गुणांक शून्य और (x^5) का गुणांक अशून्य होना चाहिए। (a=-2) पर (a-4=-6) अशून्य रहता है।
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