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Find the infinite sum of 1/7+2/7^2+1/7^3+2/7^4+...

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Find the infinite sum of 1/7+2/7^2+1/7^3+2/7^4+...

 Aug 5, 2016

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Find the infinite sum of 1/7+2/7^2+1/7^3+2/7^4+...

=2/10 + 1/245=10/49

 Aug 5, 2016

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