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Infinite Series
medium
0:00.0
What is the sum of
∑
n
=
2
∞
(
1
2
)
n
\sum_{n=2}^{\infty} (\frac{1}{2})^n
∑
n
=
2
∞
(
2
1
)
n
?
A
1/2
B
1/4
C
1
D
3/4
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