Q23 of 271 Page 322

Integrate the rational functions.

Let

1 = A(X2 + 1) + (Bx + C)


Equating the coefficients of x2, x and constant term, we get,


A + B = 0


C = 0


A = 1


On solving these equations, we get,


A = 1, B = -1 and C = 0




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