calculus week5
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School
Grand Rapids Community College *
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Course
MISC
Subject
Mathematics
Date
Jan 9, 2024
Type
docx
Pages
2
Uploaded by ConstableWildcatMaster401
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1.
Question 1
Use the geometric series to compute the Taylor series for
(
)=12−
� �
�
f
(
x
)=2−
x
1
. Where does
this series converge?
Hint:
12−
=1211−
2
�
�
2−
x
1=211−
2
x
1
1 / 1 point
Correct
2.
Question 2
Compute and simplify the full Taylor series about
=0
�
x
=0
of the function
(
)=12−
+12−3
� �
�
�
f
(
x
)=2−
x
1+2−3
x
1
. Where does this series converge?
1 / 1 point
Correct
3.
Question 3
Which of the following is the Taylor series of
ln11−
�
ln1−
x
1
about
=0
�
x
=0
up to and including
the terms of order three?
1 / 1 point
Correct
4.
Question 4
Use the binomial series to find the Taylor series about
=0
�
x
=0
of the function
(
)=(9−
2)−1/2
� �
�
f
(
x
)=
(
9−
x
2
)
−1/2
. Indicate for which values of
�
x
the series converges to
the function.
1 / 1 point
Correct
5.
Question 5
Use the fact that
arcsin
=∫
1−
2
�
��
�
arcsin
x
=
∫
1−
x
2
dx
and the binomial series to find the Taylor series about
=0
�
x
=0
of
arcsin
�
arcsin
x
up to terms of
order five.
1 / 1 point
Correct
6.
Question 6
Compute the Taylor series about
=0
�
x
=0
of the function
arctan(
−1)
��
arctan(
e
x
−1)
up to
terms of degree three.
1 / 1 point
Correct
7.
Question 7
In the lecture we saw that the sum of the infinite series
1+
+
2+
� �
⋯
1+
x
+
x
2
+
⋯
equals
1/
(1−
)
�
1/(1−
x
)
as long as
∣
�
∣
<1
∣
x
∣
<1
. In this problem, we will derive a formula for summing the
first
+1
�
n
+1
terms of the series. That is, we want to calculate
=1+
+
2+
��
� �
⋯
+
��
s
n
=1+
x
+
x
2
+
⋯
+
x
n
The strategy is exactly that of the algebraic proof given in lecture for the sum of the full geometric
series: compute the difference
−
�� ���
s
n
−
xs
n
and then isolate
��
s
n
. What formula do
you get?
1 / 1 point
Correct
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