Question

Evaluate the expression:

v ⋅ w

Given the vectors:

r = <8, 8, -6>; v = <3, -8, -3>; w = <-4, -2, -6>

Answer 1

if u =<u1,u2> and v =<v1,v2>
then u . v= u1*v1+u2*v2
apply to your case with u =<u1,u2,u3>

Answer 2

But what do I do with vector r

Answer 3

nothing!! the question is about v and w. It may be used for another question

Answer 4

okay thank you :)