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1(x1)3(x+2)51/4dx is equal to 

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a
43x−1x+21/4+C
b
43x+2x-11/4+C
c
13x−1x+21/4+C
d
13x+2x-11/4+C

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detailed solution

Correct option is A

l=∫1(x−1)3(x+2)51/4dx =∫1x−1x+23/4(x+2)2dx Let x−1x+2=t⇒3dx(x+2)2=dt⇒ l=13∫1t3/4dt =13t1/41/4+C=43t1/4+C=43x−1x+21/4+C


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