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Geometric Sequences
hard
0:00.0
If
a
1
=
k
a_1=k
a
1
=
k
and
r
=
1
r=1
r
=
1
, what is
S
100
S_{100}
S
100
?
A
k
100
k^{100}
k
100
B
k
k
k
C
0
0
0
D
100
k
100k
100
k
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