the functions z= 8 e* Iny, x= In (u cos v), dz dz SS and- du as functions of u and v both by using the Chain Rule and by expre dv

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Consider the functions z= 8 e* In y, x= In (u cos v), and y= u sin v.
dz
dz
and
as functions of u and v both by using the Chain Rule and by expressing z directly in terms of u and v before differentiating
(a) Express
du
av
dz
əz
(b) Evaluate and
du
at (u,v) =
dv
dz
du
(a) Find each partial derivative needed to use the Chain Rule to find
dz
dx
ax
du
dz
dy
dy
du
Express z directly in terms of u and v.
2=0
dz
Using either method,
du
(Type an expression using u and v as the variables.)
Find each partial derivative needed to use the Chain Rule to find
dz
dv
dz
dx
dx
dv
dz
dy
dy
dv
Using either method,
dz
dv
-0
(Type an expression using u and v as the variables.)
dz
(b)
du
(Type an exact answer.)
=(Type an exact answer.)
dz
dv
(2)
MONITOR HEAD
ロロ
Transcribed Image Text:Consider the functions z= 8 e* In y, x= In (u cos v), and y= u sin v. dz dz and as functions of u and v both by using the Chain Rule and by expressing z directly in terms of u and v before differentiating (a) Express du av dz əz (b) Evaluate and du at (u,v) = dv dz du (a) Find each partial derivative needed to use the Chain Rule to find dz dx ax du dz dy dy du Express z directly in terms of u and v. 2=0 dz Using either method, du (Type an expression using u and v as the variables.) Find each partial derivative needed to use the Chain Rule to find dz dv dz dx dx dv dz dy dy dv Using either method, dz dv -0 (Type an expression using u and v as the variables.) dz (b) du (Type an exact answer.) =(Type an exact answer.) dz dv (2) MONITOR HEAD ロロ
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