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Evaluate: int(x^2)/((x+1)^3)\ dx...

Evaluate: `int(x^2)/((x+1)^3)\ dx`

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Given.,
`I=int x^2/(x+1)^3dx` `=∫((x^2+2x+1)−(2x+2)+1)/(x+1)^3dx`
`=∫((x+1)^2−2(x+1)+1)/((x+1)^3)dx`
`=∫1/(x+1)−2/((x+1)^2)+1/((x+1)^3)dx`
...
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