Question Assignment description
Find the critical level(s) of the operate. Then use the second spinoff take a look at to categorise the nature of every level, if attainable. (If a solution doesn’t exist, enter DNE.)f(x, y) = x3 + y2 − 2xy + 5x − 6y + 4I have the first partial derivatives. I simply do not know the place to go from right here. Do I get rid of my y? What do I do with this?