Comparison test of p series and e is irrational

Comparison test of p series and e is irrational

0:00 start
1:00 theorem a_1+a_2+a_3.... converge if and only if sum over 2^k a_k converge
5:00 p series converge proves
7:00 sum over 1/(nlog(n)^p) converge
9:00 two definitions of e
14:30 e is irrational

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