State the working rule to determine extreme value of the function f(x,y)



State the working rule to determine extreme value of the function f(x,y)..

Answer / Rohit Saxena

The working rule to determine the extreme values of a function f(x,y) is as follows: (1) Find the critical points by setting the partial derivatives equal to zero and solving for x and y. (2) Evaluate the function at these critical points to find the extreme values.

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