Can someone please explain how the middle expression ' tan^n-1x/n-1 ' is split?
The entire right-hand side then becomes ' Int tan^n-2 x tan^2xdx '
I'm just not sure what principles/methods I'm using to split this?
Thank you
Can someone please explain how the middle expression ' tan^n-1x/n-1 ' is split? The entire right-hand...