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Evaluate: intx\ sqrt(x+2)\ dx...

Evaluate: `intx\ sqrt(x+2)\ dx`

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`intx\ sqrt(x+2)\ dx`

Let, `x+2=t^2`

`dx=2tdt`

`=2int(t^2-2)t^2dt`

`=2int(t^4-2t^2)dt`

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

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

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