How do you find the critical points of #f( x ,y ) = x y ^ { 2} + x ^ { 2} y - x y + y ^ { 2} + 4y#?
1 Answer
Jul 1, 2017
See the answer below:
Explanation:
Credits:all graphs were generated with the program at the web site
http://www.emathhelp.net/calculators/calculus-3/3d-function-grapher/
