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Geometric Sequences
easy
0:00.0
Find
a
2
a_2
a
2
if
a
n
=
(
1
/
2
)
n
a_n = (1/2)^n
a
n
=
(
1/2
)
n
.
A
0.25
0.25
0.25
B
0.5
0.5
0.5
C
0.125
0.125
0.125
D
1
1
1
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