Math 127
ASSIGNMENT 9
Fall 2010
Due at
8:25 am
on
Wednesday, December 1
st
in the correct drop slot across from
MC4066 or in class depending on your instructor’s preference.
Assignments put into the
wrong drop slot will not be marked.
Part A (answer only):
Submit your answers (not full solutions) using the template
provided on the last page of this assignment, which you can print or handcopy.
Evaluate the following. For questions 1 and 2, use geometrical reasoning (no calculation is
required).
1.
Z
1

2

x
+ 1

dx
2.
Z
2
0
√
2
x

x
2
dx
3.
Z
(5

2
x
)
5
dx
4.
Z
(2
t
+ 1)
2
t
3
dt
5.
Z
1
0
(3
x
+ 2

x
)
dx
Part B (full solution):
All solutions must be
clearly stated
and
fully justiﬁed
.
Most questions will be marked.
1. From the text, do 4.9 # 66.
2. A particle moves along the
x
axis from
x
= 0 to
x
= 10, and is subject to a force ﬁeld
given by
F
(
x
) = 2 + cos
±
π
5
x
²
. The work done by the ﬁeld is thus
W
=
R
10
0
F
(
x
)
dx
.
a) Approximate
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 Spring '10
 RonaldGreen
 Fundamental Theorem Of Calculus, dx, correct drop slot, wrong drop slot, right Riemann sums

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