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Find : ∫(x + 3)/(√(5 - 4x + x2)) dx

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Let x + 3 = A(2x - 4) + B

2A = 1 and B - 4A = 3

which gives A = 1/2 , B = 5

Given integral becomes

by (10 points)
but answer is wrong .answer of book is            - (5-4x+x^2)^1/2 +sin^-1(x+2/3) +c

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