Darren New wrote:
> Invisible wrote:>> What the hell is the derivative of f(f(x))?> > LMATFY> > http://www.wolframalpha.com/input/?i=derivative+of+f(f(x))
FAIL.
The correct query is of course
http://www.wolframalpha.com/input/?i=derivative+of+f[f[x]]
Nice try tho. :-P
