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Class 9 Mathematics Introduction to Polynomials Degree of a PolynomialExpert

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If the degree of (p(x)=(a^2-4)x^{11}+(a-2)x^7+5x^3-1) is (3), which value of (a) is correct?

Answer and explanation

Correct answer: (a=2)

For degree (3), both (x^{11}) and (x^7) terms must vanish. At (a=2), both higher-term coefficients become (0).

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

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