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If (b\neq-4), what will be the degree of ((b+4)x^{14}+8x^5-1)?

Answer and explanation

Correct answer: (14)

The degree is determined by the greatest exponent whose coefficient is nonzero. Here the highest-power term is \\( (b+4)x^{14}\\). Because \\(b\\ne-4\\), the coefficient \\(b+4\\) is not zero, so the term remains in the polynomial. Consequently, the greatest effective exponent is 14, and option A is correct.

The remaining terms are \\(8x^5\\) and \\(-1\\), with degrees 5 and 0. Neither can affect the fact that a nonzero degree-14 term is present. If \\(b=-4\\), the degree-14 term would vanish and the degree would become 5, but that case is specifically excluded. Therefore the degree is 14.

Related tags

PolynomialNonzero ParameterDegree

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