Let P(x, Y, Z) = Xy + 2 $x ^ { 3 }$

question 80

Multiple Choice

Let P(x, y, z) = xy + 2 $x ^ { 3 }$ $\sqrt { y ^ { 2 } - 1 }$ . Compute $\frac { \partial P } { \partial z }$ (2, 1, 3) .

• A) 2
• B) 0
• C) 3
• D) 1
• E) none of these

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Definitions:

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