For #vecu = <3, -1># and #vecv = <2,4>#, what is #vecu*vecv#?
1 Answer
Dec 13, 2015
A dot product can be defined like so.
Let:
#vecucdotvecv = axxc + bxxd#
where
Therefore, what you get is:
#= 3*2 + (-1*4) = 6 - 4 = color(blue)(2)#