Re: Log problem_ISI 2010

Posted by Dreyfus on Apr 30, 2014; 6:24pm
URL: http://discussion-forum.276.s1.nabble.com/Log-problem-ISI-2010-tp7588102p7588130.html

Sum= 1/2 + 2*(1/2)^2 + 3*(1/2)^3+....
Multiply whole eq by 2
2Sum= 1+ 2*(1/2) + 3*(1/2)^2+.......
Subtract eq 1 from 2
Sum= 1+(1/2)+(1/2)^2+(1/2)^3+.......
dis series is a gp nd it sum converges to 2