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Geometric Sequences
easy
0:00.0
Find
a
2
a_2
a
2
if
a
1
=
1
,
r
=
x
a_1=1, r=x
a
1
=
1
,
r
=
x
.
A
x
x
x
B
1
+
x
1+x
1
+
x
C
x
2
x^2
x
2
D
1
1
1
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