advanced-calculus-prove-that-n-2-e-1-1-n-2-n-2-pi-e-e-

Question Number 141322 by mnjuly1970 last updated on 17/May/21

\dots \dots a d v a n c e d \dots \dots . . c a l c u l u s \dots \dots .

p r o v e t h a t ::

ξ := \underset{n = 2}{\prod^{\infty}} e {(1 - \frac{1}{n^{2}})}^{n^{2}} = \frac{π}{e \sqrt{e}}