Find all the first and second order partial derivatives of f(x, y) = −4 sin(2x + y) + 10 cos(x - y). af A. = əx af B. = dy C. D. E. F. a²f Əx² a²f Əy² 8² f Ərdy 8²f əyəx fz fy = = = = = faz fyy = = fyr fry = =

Find all the first and second order partial derivatives of f(x, y) = −4 sin(2x + y) + 10 cos(x - y). af A. = əx af B. = dy C. D. E. F. a²f Əx² a²f Əy² 8² f Ərdy 8²f əyəx fz fy = = = = = faz fyy = = fyr fry = =

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter9: Multivariable Calculus

Section9.2: Partial Derivatives

Problem 28E

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Please help with homework problem

Find all the first and second order partial derivatives of f(x, y) = -4 sin(2x + y) + 10 cos(x − y).
-
A.
B.
C.
D.
E.
F.
af
Əx
af
Əy
=
=
a²f
Əx²
8²f
Əy²
=
a² f
ду?х
8² f
əxəy
fz
fy
=
- fix
=
=
fyy
=
=
=
fyr
=
= fxy =

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