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Geometric Sequences
hard
0:00.0
Find
a
2
a_2
a
2
if
a
1
=
1
,
r
=
y
a_1=1, r=y
a
1
=
1
,
r
=
y
.
A
y
y
y
B
1
1
1
C
y
2
y^2
y
2
D
None
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