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Proving Vector Dot Product Properties

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Youtube Comments (13)

MrKay15 Says:

Apr 10, 2012 - You really helped me man! Thanks from Brasil! :)

JizzMasterPino Says:

Jan 22, 2012 - herpes?

allanpheabus Says:

Jul 15, 2011 - dude.. help me to prove del(A dot B) PLEASE!!!!!

stevenydc Says:

Jun 16, 2011 - can you prove VdotW= |V||W| cos @????

Goodfellow7 Says:

Apr 9, 2011 - fell asleep >.<

LAnonHubbard Says:

Dec 8, 2010 - Good video. I find this sort of stuff difficult because it's so basic and low level. When going through a maths book from start to finish, the chapter on proof was one of the most difficult for me.

dalcde Says:

Aug 23, 2010 - Sal surely had problem saying the word "commutative"!

Xerhid Says:

Jul 27, 2010 - The best part of this video is when Sal talks about proving things for his professor, thinking how obvious some of it is. I have felt the same way so many times!