Multiple Choice
Compute
and
if f(x, y) = xy + sin xy + x2 + 5xln y.
A)
=
sin xy + 2,
= -
sin xy - 
B)
= -
sin xy + 2,
= -
sin xy - 
C)
= -
sin xy + 2,
=
sin xy - 
D)
= -
sin xy + 2,
= -
sin xy + 
E)
= -
sin xy + 2,
= -
sin xy - 
Correct Answer:
Verified
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