# Max and Min, Help Cant find the critical points?

• June 7th 2009, 11:46 AM
clar
Max and Min, Help Cant find the critical points?
Hi

I would really appreciate if anyone could help me with the following exercises k, l, m, n. I cant seem to solve the derivatives to find the critical points. THANK VERY MUCH in advance.

(Hi)
• June 7th 2009, 05:53 PM
pickslides
You need to use partial differenitation for these problems, then solve for

$\left( \frac{\partial f}{\partial x}, \frac{\partial f}{\partial y}\right) = \b{0}$