Find the critical points of $f ( x , y ) = x ^ { 2 } y e ^ { - \left( x ^ { 2 } + 9 y ^ { 2 } \right) }$ Do this by setting $t = - \left( x ^ { 2 } + 9 y ^ { 2 } \right)$ and optimizing $f ( x , y , t ) = x ^ { 2 } y e ^ { t }$ subject to the constraint $t + x ^ { 2 } + 9 y ^ { 2 } = 0$

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The Answer of Find the critical points of $f ( x , y ) = x ^ { 2 } y e ^ { - \left( x ^ { 2 } + 9 y ^ { 2 } \right) }$ Do this by setting $t = - \left( x ^ { 2 } + 9 y ^ { 2 } \right)$ and optimizing $f ( x , y , t ) = x ^ { 2 } y e ^ { t }$ subject to the constraint $t + x ^ { 2 } + 9 y ^ { 2 } = 0$

Find the Critical Points Of f(x,y)=x2ye−(x2+9y2)f ( x , y ) = x ^ { 2 } y e ^ { - \left( x ^ { 2 } + 9 y ^ { 2 } \right) }f(x,y)=x2ye−(x2+9y2)

Find the Critical Points Of $f ( x , y ) = x ^ { 2 } y e ^ { - \left( x ^ { 2 } + 9 y ^ { 2 } \right) }$