Leibniz Series

Author

Eric W. Weisstein
August 19, 2003

This notebook downloaded from http://mathworld.wolfram.com/notebooks/Calculus/LeibnizSeries.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/LeibnizSeries.html.

©2005 Wolfram Research, Inc. except for portions noted otherwise

Identity

V7

Sum[(-1)^(n-1)x^(2n-1)/(2n-1),{n,Infinity}]

%/.x->1

Sum[(-1)^(n-1)/(2n-1),{n,Infinity}]