Suppose that $z = u ^ { 2 } + u v + v ^ { 3 }$ , and that $u = 2 x ^ { 2 } + 3 x y$ and $v = 2 x - 3 y + 2$ . Find $\frac { \delta z } { \delta x }$ at $( x , y ) = ( 1,2 )$ .

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The Answer of Suppose that $z = u ^ { 2 } + u v + v ^ { 3 }$ , and that $u = 2 x ^ { 2 } + 3 x y$ and $v = 2 x - 3 y + 2$ . Find $\frac { \delta z } { \delta x }$ at $( x , y ) = ( 1,2 )$ .

Suppose That z=u2+uv+v3z = u ^ { 2 } + u v + v ^ { 3 }z=u2+uv+v3

Suppose That $z = u ^ { 2 } + u v + v ^ { 3 }$