Q. 93.8( 54 Votes )

# Integrate the rat

Answer : Let 3x + 5 = A(x - 1)(x + 1) + B(x + 1) + C( x – 1)2

3x + 5 = A(x2 - 1) + B(x + 1) + C( x2 + 1 – 2x) …(1)

Substituting x = 1 in equation (1), we get,

B = 4

Equating the coefficients of x2 and x, we get,

A + C = 0

b – 2C = 3

A = and c = Thus,     Rate this question :

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