The ratio of the 4th to the 12th term of a G.P. with positive common ratio is 1/256. If the difference of the two terms be 61.68, find the sum of the series to 8 terms.
Solution
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The ratio of the 4th to the 12th term of a G.P. with positive common ratio is 1/256. If the difference of the two terms be 61.68, find the sum of the series to 8 terms.
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