Answer to Question #523 in Calculus for ahmed
1) p-integer, (m+1)/n - a fractional, rational;
2) p-fractional, rational, (m+1)/n - integer;
3) p-fractional, rational, (m+1)/n - fractional, rational, but p+((m+1)/n) - integer.
In other cases, the integral can not be calculated in terms of elementary functions.
Your case is #3. Use next substitution: a+b(x^n)=(x^n)(u^2). Making the change of variable, solve and return to the old variable.
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