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Mathematics
Mathematics
Problem
A geometric progression has first term
4
4
4
. The sum of its first five terms is
124
124
124
, and the sum of its first ten terms is
4092
4092
4092
. Determine the common ratio
r
r
r
. a)
1
2
\dfrac{1}{2}
2
1
b)
3
3
3
c)
2
2
2
d)
4
4
4
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