- #1
cookiesyum
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Homework Statement
Find the first partial derivatives of:
1. f(x,y) = x^y
2. u = x^(y/z)
Homework Equations
The Attempt at a Solution
f_x = y*x^(y-1)
f_y = lnx?
u_x = (y/z)*x^((y/z)-1)
u_y = lnx/z?
u_z = ylnx/z?
I'm not really sure how to do these right. =/ I would really appreciate any help.