After i convert to tangets and such and do the u substitution i end up with this

u ^{-4} + 4u^{-3} + 6u^{-1} + 4u^{4} + u ^{3}) " alt="\frac{1}{2} integrate u ^{-4} + 4u^{-3} + 6u^{-1} + 4u^{4} + u ^{3}) " />

I must have gone wrong somewhere becuase if you integrate you get