How many terms of G.P. 3, 3^2, 3^3 … are needed to give the sum 120?

1 Answer

answered Feb 10, 2018 by sameer (82,980 points)
selected Feb 14, 2018 by sanjeev

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How many terms of G.P. 3, 3^2, 3^3 … are needed to give the sum 120?

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