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Problems
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National and Regional Contests
PEN Problems
PEN G Problems
8
8
Part of
PEN G Problems
Problems
(1)
G 8
Source:
5/25/2007
Show that
e
=
∑
n
=
0
∞
1
n
!
e=\sum^{\infty}_{n=0} \frac{1}{n!}
e
=
∑
n
=
0
∞
n
!
1
is irrational.
integration
calculus
Irrational numbers