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Geometric Sequences
medium
0:00.0
How many terms of
2
,
6
,
18
,
…
2, 6, 18, \dots
2
,
6
,
18
,
…
must be added to get
728
728
728
?
A
5
5
5
B
6
6
6
C
4
4
4
D
7
7
7
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