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Mathematics
Problem
An infinite geometric series has first term
6
6
6
and converges to a sum of
15
15
15
. Which of the following is the common ratio? a)
2
5
\dfrac25
5
2
b)
−
3
5
-\dfrac35
−
5
3
c)
3
5
\dfrac35
5
3
d)
5
7
\dfrac57
7
5
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