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If f(x,y,z) = sin (xy) + cos(xz), then f...

If `f(x,y,z) = sin (xy) + cos(xz)`, then `f_("xx")` is

A

`-y^(2) sin (xy) + z^(2) cos (xz)`

B

`y^(2) sin (xy) -z^(2) cos (xz)`

C

`y^(2) sin (xy) + z^(2) cos (xz)`

D

`-y^(2) sin (xy) -z^(2) cos (xz)`

Text Solution

Verified by Experts

The correct Answer is:
D
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