Solve e^xy Derivative at (ln.8, .5)

[john.duke10]

Homework Statement

e^xy=any number

Homework Equations

you are given a point say (ln.8, .5)
how would u find the derivative at that point?

The Attempt at a Solution

 

[Dick]

That's not grammatical. (e^x)*y or e^(x*y)?? They aren't the same.