document.write( "Question 322314: Find the sum of 1+2+3+4+5+…+24+25 \n" ); document.write( "
Algebra.Com's Answer #230739 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
Sn = sum of series = N/2 (a1+an)n is the nth. term
\n" ); document.write( "25/2 (1+25)
\n" ); document.write( "=25*26 / 2
\n" ); document.write( "=325
\n" ); document.write( "
\n" );