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Geometric Sequences
medium
0:00.0
Find
a
2
a_2
a
2
if
a
1
=
1
,
r
=
1
/
3
a_1=1, r=1/3
a
1
=
1
,
r
=
1/3
.
A
1
/
3
1/3
1/3
B
3
3
3
C
1
1
1
D
0.5
0.5
0.5
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