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Evaluate: (i) int(e^x)/(sqrt(4-e^(2x)))\...

Evaluate: (i) `int(e^x)/(sqrt(4-e^(2x)))\ dx` (ii) `int(x^2)/(sqrt(1-x^6))\ dx`

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(i)I =`int(e^x)/(sqrt(4-e^(2x)))\ dx`
I=`int(e^x)/(sqrt(2^2-(e^x)^2))\ dx`
`I=sin^(-1)(e^x)/2+c`
(ii)`I=int(x^2)/(sqrt(1-x^6))\ dx`
`I=int(x^2)/(sqrt(1-(x^3)^2))\ dx`
let `x^3=t`
`3x^2dx=dt`
...
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