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Provide an Appropriate Answer wu\frac { \partial \mathrm { w } } { \partial \mathrm { u } }

Question 329

Multiple Choice

Provide an appropriate answer.
-Find wu\frac { \partial \mathrm { w } } { \partial \mathrm { u } } when u=2\mathrm { u } = 2 and v=5\mathrm { v } = - 5 if w(x,y,z) =xyz,x=uv,y=u+v\mathrm { w } ( \mathrm { x } , \mathrm { y } , \mathrm { z } ) = \frac { \mathrm { xy } } { \mathrm { z } } , \mathrm { x } = \frac { \mathrm { u } } { \mathrm { v } } , \mathrm { y } = \mathrm { u } + \mathrm { v } , and z=uv\mathrm { z } = \mathrm { u } \cdot \mathrm { v } .


A) wu=325\frac { \partial w } { \partial u } = - \frac { 3 } { 25 }
B) wu=154\frac { \partial \mathrm { w } } { \partial \mathrm { u } } = - \frac { 15 } { 4 }
C) wu=1225\frac { \partial w } { \partial u } = \frac { 12 } { 25 }
D) wu=625\frac { \partial \mathrm { w } } { \partial \mathrm { u } } = - \frac { 6 } { 25 }

Correct Answer:

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