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Geometric Sequences
easy
0:00.0
What is
a
1
a_1
a
1
if
a
2
=
4
a_2=4
a
2
=
4
and
r
=
2
r=2
r
=
2
?
A
2
2
2
B
8
8
8
C
1
1
1
D
4
4
4
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