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Class 9 Mathematics Introduction to Polynomials Degree of a PolynomialHard

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If the degree of (p(x)=(a-2)x^8+(a+1)x^5-3x+7) is (5), which value of (a) is correct?

Answer and explanation

Correct answer: (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).

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Polynomial Degree Parameter Condition Degree Of A Polynomial Introduction To Polynomials Mathematics Class 9 Mcq

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