Calculus Problems...

unrealplayer

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 Derivative:

The Derivative of a function f at a number a, denoted by
f'(a) (f prime of a), is:

Tide

Apply the definition directly to g(x).

unrealplayer

Thanks a lot, I found/got the right answer