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Let f(x,y)=sin(2x+y)f ( x , y ) = \sin ( 2 x + y )

Question 201

Multiple Choice

Let f(x,y) =sin(2x+y) f ( x , y ) = \sin ( 2 x + y ) . Find the value of the partial derivative fxy(π,π2) f _ { x y } \left( \pi , \frac { \pi } { 2 } \right) .


A) 2\sqrt { 2 }

B) 2- \sqrt { 2 }
C) 222 \sqrt { 2 }
D) 22- 2 \sqrt { 2 }
E) 22\frac { \sqrt { 2 } } { 2 }
F) 2- 2

G) 2

H) 0

Correct Answer:

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