Posted by tommy on October 13, 2002 at 21:46:46:
In Reply to: Re: need help with partial derivate... posted by tommy on October 13, 2002 at 21:39:33:
would you take ln of the function?
so it becomes:
ln z = (x^y)(ln x) -> (e^lnx)^y(ln x) -> e^(ylnx)(lnx)
dlnz/dx = e^(ylnx)(1/x) + (lnx)(y/x)(e^(ylnx))
and now what do i do???
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