Now make the substitution and the integral becomes
Okay, so I have the equation (x^{2}-1)cos(3x-x^{3}), and have been asked to integrate said function. We've been given the equation Integral(F^{1}(x)*F(x)^{n}) = ((F(x))^{n+1})/(n+1)
If anyone could provide assistance on this, whilst showing the steps involved, it'd be much appreciated.