Question Number 67461 by mathmax by abdo last updated on 27/Aug/19
$${find}\:{the}\:{value}\:{of}\:\sum_{{p}=\mathrm{0}} ^{\infty} \:\frac{\left(−\mathrm{1}\right)^{{p}} }{\left(\mathrm{2}{p}+\mathrm{1}\right)^{\mathrm{2}} } \\ $$
find-the-value-of-p-0-1-p-2p-1-2-