Suppose 2x^ 2 +3x-1 (x^ 2 +2x+2)^ 2 = Ax+B x^ 2 +2x+2 + Cx+D (x^ 2 +2x+2)^ 2

MATHEMATICS · Single correct · CBSE · Mathematics · Integrals · Integrals

Problem

Suppose 2x2+3x−1(x2+2x+2)2=Ax+Bx2+2x+2+Cx+D(x2+2x+2)2.\frac{2x^{2}+3x-1}{(x^{2}+2x+2)^{2}}=\frac{Ax+B}{x^{2}+2x+2}+\frac{Cx+D}{(x^{2}+2x+2)^{2}}. Determine the value of DD. (a) 33 (b) −5-5 (c) −1-1 (d) −3-3

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