This is so use the quotient rule:
Here, so .
We need the "chain rule" for that:
Need help taking the derivative of the following function w.r.t x. (this is the General Beta of the Second Kind density function):
B(.) is the beta function.
I don't expect anyone to give me the answer, but would appreciate some advice on what strategy I should use, especially as regards the derivative of the beta function.
Thanks