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Let F(x, Y) = 12\frac { 1 } { 2 }

Question 10

Multiple Choice

Let f(x, y) = 12\frac { 1 } { 2 } x2x ^ { 2 }ex/ye ^ { x / y } . Find fy\frac { \partial f } { \partial y } .


A) x2y\frac { x ^ { 2 } } { y } ex/ye ^ { x / y }
B) x3y\frac { x ^ { 3 } } { y } ex/ye ^ { x / y } - 1
C) - x32y2\frac { x ^ { 3 } } { 2 y ^ { 2 } } ex/ye ^ { x / y }
D) 12\frac { 1 } { 2 } x2x ^ { 2 } ex/ye ^ { x / y }
E) none of these

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