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If the degree of ((r+12)x^{12}+(r+12)x^5+26) is (0), what is the value of (r)?

Answer and explanation

Correct answer: -12

A polynomial of degree 0 must be a non-zero constant, so the coefficients of all terms containing x must be zero. Here, the coefficient of both x^{12} and x^5 is r+12. Thus, r+12=0, giving r=-12. With this value, the polynomial becomes 26, whose degree is 0. Exam tip: A non-zero constant has degree 0, whereas the degree of the zero polynomial is not defined.

Related tags

PolynomialsDegree Of PolynomialConstant PolynomialParameterAlgebraClass 9 MathematicsDegree Of A PolynomialIntroduction To Polynomials

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