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What is the remainder when the polynomial x^3 - 5x^2 + 8x - 4 is divided by x - 1?

Answer and explanation

Correct answer: 0

By the remainder theorem, the remainder when p(x) is divided by x - a is p(a). Here, a = 1, so p(1) = 1^3 - 5(1)^2 + 8(1) - 4 = 1 - 5 + 8 - 4 = 0. Therefore, the remainder is 0. Exam tip: For a divisor of the form x - a, substitute a directly into the polynomial instead of performing long division.

Related tags

PolynomialsRemainder TheoremPolynomials In One VariableSubstitutionAlgebraMathematicsClass 10 Mcq

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