3 c] Find the extreme values of the function [latex] f(x,y)=x^{2}+y^{2}+6x-12 [/latex]. Find the extreme values of the function ๐(๐ฅ, ๐ฆ) = ๐ฅ 3 + 3๐ฅ๐ฆ 2 โ 3๐ฆ 2 โ 3๐ฅ 2 + 4 Answer:-