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Evaluate the integralsint0^2(dx)/(x+4-x^...

Evaluate the integrals`int_0^2(dx)/(x+4-x^2)`

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`I=int_0^2(dx)/(x+4-x^2)`
`=int_0^2(dx)/-(x^2-4-x)`
`=int_0^2(dx)/-(x^2-x+1/4-1/4-4)`
`=int_0^2(dx)/-[(x-1/2)^2-17/4]`
...
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