Polynomials, Cubic Equations and Partial Fractions - Comparing Coefficients in Polynomial Identities
Polynomials, Cubic Equations and Partial Fractions - Comparing Coefficients in Polynomial Identities
Secondary 3
Find the values of \(A\), \(B\) and \(C\) given that \(2{{x}^{3}}+5{{x}^{2}}-18x+14\equiv (Ax-1)(x-2)(x+5)+B(x+1)+C\).
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Answer:\(A = 2\), \(B = 5\), \(C = -1\)
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