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Given: Let u = x2 du = 2x dx By using partial fraction;  When u = −1; A = 1

1 = A(-1 + 2)2 + 0

A = 1

When u = −2; C = −1

1 = C(-2 + 1)

-C = 1

C = -1

By considering the constants on both sides;

1 = 4A + B + C

B = −2   Rate this question :

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