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ifint(dx)/(x^2(x^n+1)^(((n-1)/n))=-[f(x)...

`ifint(dx)/(x^2(x^n+1)^(((n-1)/n))=-[f(x)]^(1/n)+c ,t h e nf(x)i s` `(1+x^n)` (b) `1+x^(-1)` `x^n+x^(-n)` (d) none of these

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