How can we solve a complex sum???
21:46
The dilogarithm -- a favorite "special function"
18:01
Can you do it in 4 minutes???
19:21
The overpowered Laplace technique for summing series.
8:24
An Interesting Infinite Radical
7:16
Sum from 1 to infinity of 1/(k^2+1)
6:42
Can you guess the answer from the thumbnail???
6:05
This one is NICE! using the Dilogarithm
12:17