Find the Requested Partial Derivative $\frac { \partial z } { \partial y }$

question 367

Multiple Choice

Find the requested partial derivative.
- $\frac { \partial z } { \partial y }$ at $( x , y , z ) = ( 1,1,1 )$ if $z ^ { 3 } = z + x y - 1$ and $y ^ { 3 } = x + y - 1$

• A) \(\frac { 2 } { 3 }\)
• B) \(\frac { 1 } { 4 }\)
• C) \(\frac { 1 } { 2 }\)
• D) \(\frac { 3 } { 2 }\)

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