In how many ways can four vectors add to zero?

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Lecture Series / Conference / Course : 
Shankar Fest
Video File: 
Subject: 
Others
Speaker: 
R.Ganesh
Youtube-url: 
https://youtu.be/XRU7IqkwkSE
Start Time: 
10:00
End Time: 
17:30
Date: 
Monday, July 1, 2019
Short Title: 
In how many ways can four vectors add to zero?