document.write( "Question 270608: Find the sum of the first n positive integers? \n" ); document.write( "
Algebra.Com's Answer #198230 by rfadrogane(214)\"\" \"About 
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let n - is any positive integers
\n" ); document.write( " S - sum of the first \"n\" integers\r
\n" ); document.write( "\n" ); document.write( " S = n(n+1)/2
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