Maybe the longest possible way to do it
6:05
This one is NICE! using the Dilogarithm
18:26
your Calculus teacher lied* to you
18:01
Can you do it in 4 minutes???
10:55
Calculate Dilogarithm(1/2) by integral
8:10
life changing partial fractions trick
7:16
Sum from 1 to infinity of 1/(k^2+1)
29:28
Alg 1 5-2 Notes & HW solutions
11:28