Is there a solution for the integral $$ \int_0^b (a-x^m)^{1/n} dx? $$ WolframAlpha doesn't help a lot: $$ \frac1a x(1-x^m)^{\frac1n+1}{}_2F_1\left(1,\frac1n+1+\frac1m; 1+\frac1m;\frac{x^m}a\right)\Biggr|_0^b $$ Or can this be simpified?
Thanks a lot