Question Number 170811 by mokys last updated on 31/May/22
$${find}\:{minimum}\:{and}\:{maximum}\:{z}\:=\:{x}^{\mathrm{3}} −\mathrm{3}{x}^{\mathrm{2}} −\mathrm{4}{y}^{\mathrm{2}} +\mathrm{2}\:? \\ $$
find-minimum-and-maximum-z-x-3-3x-2-4y-2-2-