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Evaluate : int(1-x^2)/(x(1-2x))\ dxdot...

Evaluate : `int(1-x^2)/(x(1-2x))\ dxdot`

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I= `int(1-x^2)/(x(1-2x))\ dxdot`
`(1-x^2)/(x(1-2x))=A/x+B/(1-2x)dx`
`1−x^2=A(1−2x)+Bx`
`1−x^2=A−2Ax+Bx`
Here, `A=1`
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