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Section 11.5
(Homework)
GRAHAM JONATHAN TIMOTHY
MA 242, section 013, Fall 2005
Instructor: Frank Ingram
North Carolina State University
About this Assignment
Due:
Friday, September 30, 2005 11:03 PM EDT
Current Score:
15 out of 20
Question Score
Description
The Chain
Rule
pts
subs
1
0/2
1/20
2
0/2
1/20
0/4
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Notes
1.
[SCalcCC2 11.5.06.] Use the Chain Rule to find
z
/
s
and
z
/
t
.
z
=
x
/
y
,
x
=
se
t
,
y
= 1 +
se

t
z
/
s
= (1/y)*(exp(t))+(x/y^2)*(exp(t))
[exp(t) / (1 + s exp(t)) ^ 2]
z
/
t
= (1/y)*(s*exp(t))+(x/y^2)*(s*exp(t))
[(2 s^2 + s exp(t)) / (1 + s exp(t)) ^ 2]
pts
subs
1
2/2
1/20
2
2/2
1/20
2.
[SCalcCC2 11.5.10.] Let
W
(
s
,
t
) =
F
(
u
(
s
,
t
),
v
(
s
,
t
)), where
u
(1, 0) = 2,
u
s
(1, 0) = 2,
u
t
(1, 0) = 6,
v
(1, 0) = 3,
v
s
(1, 0) = 5,
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This note was uploaded on 06/08/2011 for the course MA 241 taught by Professor Mccollum during the Spring '08 term at N.C. State.
 Spring '08
 Mccollum

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