Use the formula for the sum of a geometric series to find the sum. (Use symbolic notation and fractions where needed. Enter DNE if the series diverges.) n=2 7.(-3)" 4" = 20

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Question 19 of 20 >
1,643
4=
3
Use the formula for the sum of a geometric series to find the sum.
(Use symbolic notation and fractions where needed. Enter DNE if the series diverges.)
n=2
FEB 1
23
E
C
7.(-3)"
4"
A
80
F3
4
с
= 20
R
F4
FL
%
5
T
G
B
G
Fo
Y
H
&
7
tv
←
N
8
DII
FB
M
K
zoom
d
F10
Attempt 13
A
P
:
S
Transcribed Image Text:Question 19 of 20 > 1,643 4= 3 Use the formula for the sum of a geometric series to find the sum. (Use symbolic notation and fractions where needed. Enter DNE if the series diverges.) n=2 FEB 1 23 E C 7.(-3)" 4" A 80 F3 4 с = 20 R F4 FL % 5 T G B G Fo Y H & 7 tv ← N 8 DII FB M K zoom d F10 Attempt 13 A P : S
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