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Evaluate: int(1-x)\ sqrt(x)\ dx...

Evaluate: `int(1-x)\ sqrt(x)\ dx`

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`=int(1-x)\ sqrt(x)\ dx`

`=int(x^(1/2)-x^(3/2))\ dx`

`=(x^(1/2+1))/(3/2)-(x^(3/2+1))/(5/2)+C`

`=(2x^(3/2))/(3)-(2x^(5/2))/(5)+C`

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