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Under which condition will ((k+2)x^3+(5-k)x^2+7) have degree (2)?किस स्थिति में ((k+2)x^3+(5-k)x^2+7) की घात (2) होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (k=-2)(k=-2)
For degree (2), the coefficient of (x^3) must be zero and the coefficient of (x^2) must remain non-zero. From (k+2=0), (k=-2).घात (2) के लिए (x^3) का गुणांक शून्य होना चाहिए और (x^2) का गुणांक अशून्य रहना चाहिए। (k+2=0) से (k=-2) मिलता है।
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