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Maths Puzzle
Find a(1) in a geometric series for which S(n) = 189, r = 1/2, and a(n) =3.
Read Solution (Total 1)
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- 96
as series is
96, 48, 24, 12, 6, 3
we can solve it by reverse order
as terms will be
3,6,12,24.... such that sum = 189 - 12 years agoHelpfull: Yes(3) No(0)
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