Question: The function f (x, y) is given by f (x, y) = xy sin 5x + x 2 y in y +3e -2x2 cos y.

The function f (x, y) is given by f (x, y) = xy sin 5x + x2ˆšy in y +3e-2x2cos y. Determine

2² f af a (af ay ax of ay? ax У ay х

and

a (af дх ду a (af әх ду .Is ay ду( дх У

Obtain an expression for the total differential df.

2 f af a (af ay ax of ay? ax ay a (af a (af .Is ay (

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