Recent content by unrealplayer

Thanks a lot, I found/got the right answer

If you can work this out please try and reply to it before friday the 10th! #1: If f is a differentiable function and g(x) = xf(x), use the definition of a derivative to show that g'(x)(g prime of x) = xf'(x)+f(x)(xf prime of x plus f of x). Definition of a...