document.write( "Question 1162917: find the sum to infinity of the series:
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Algebra.Com's Answer #786829 by math_helper(2461) $\"\"$ $\"About$

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$\"+sum%28a%2Ar%5E%28n-1%29%2C+n=1%2C+infinity%29+=+a%2F%281-r%29+\"$ for |r| < 1
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