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How to solve this series : 7 + 3 - 1 + (3/4) - (9/16) + (27/64) - ... ? The answer is 66/7 but I don't know how to solve it.?

Science & Mathematics by Anonymous 2018-07-14 01:34:30

Social Science

How to solve this series : 7 + 3 - 1 + (3/4) - (9/16) + (27/64) - ... ? The answer is 66/7 but I don't know how to solve it.?

1 answer

  • Anonymous

    [7 + 3 - 1] + [(3/4) - (9/16) + (27/64) - ... ] = 9 + (3/7) = 66/7

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