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
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