Find the direction in which the function $f ( x , y ) = x ^ { 4 } y - x ^ { 3 } y ^ { 2 }$ decreases fastest at the point $( 2 , - 1 )$ .

Name: Find the direction in which the function $f ( x , y ) = x ^ { 4 } y - x ^ { 3 } y ^ { 2 }$ decreases fastest at the point $( 2 , - 1 )$ .
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The Answer of Find the direction in which the function $f ( x , y ) = x ^ { 4 } y - x ^ { 3 } y ^ { 2 }$ decreases fastest at the point $( 2 , - 1 )$ .

Find the Direction in Which the Function f(x,y)=x4y−x3y2f ( x , y ) = x ^ { 4 } y - x ^ { 3 } y ^ { 2 }f(x,y)=x4y−x3y2

Find the Direction in Which the Function $f ( x , y ) = x ^ { 4 } y - x ^ { 3 } y ^ { 2 }$