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Geometric Sequences
hard
0:00.0
What is
a
1
a_1
a
1
for
x
,
x
/
k
,
x
/
k
2
x, x/k, x/k^2
x
,
x
/
k
,
x
/
k
2
?
A
x
x
x
B
x
/
k
x/k
x
/
k
C
1
/
k
1/k
1/
k
D
None
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