SOLUTION: Let z = f (x, y) = e2x-3y , find: a) fx (1,2) b) fy (-2,3) c) fxx d) fxy e) fyy

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Question 634578: Let z = f (x, y) = e2x-3y , find:
a) fx (1,2)
b) fy (-2,3)
c) fxx
d) fxy
e) fyy
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

z = f (x, y) = e2x−3y

z needs to be clarified using parenthesis

∂f/∂x 

f%5Bx%5D (1,2)

∂f/∂y         

f%5By%5D (-2,3)

Second-order partial Derivatives

f%5Bxx%5D 

f%5Bxy%5D

f%5Byy%5D