document.write( "Question 1110023: 1+1/5+1/25+1/125+..find the sum of the infinite geometric series \n" ); document.write( "
Algebra.Com's Answer #725029 by ikleyn(52793)\"\" \"About 
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document.write( "The general formula is\r\n" );
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document.write( "\"a+%2B+ar+%2B+ar%5E2+%2B+ar%5E3+%2B+ellipsis+\" = \"a%2F%281-r%29\"  at  |r| < 1.\r\n" );
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document.write( "In your case  a = 1, r = \"1%2F5\".\r\n" );
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document.write( "Substitute and calculate.\r\n" );
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