Question

Evaluate the expression:

v ⋅ w

Given the vectors:

r = <8, 1, -6>; v = <6, 7, -3>; w = <-7, 5, 2>

Answer 1

@jdoe0001

Answer 2

is it cross products?

Answer 3

same way you'd get the dot product for a 2D vector

Answer 4

so then 29i +9j +79k

Answer 5

oh...so then it sjust -42+35-6= -13

Answer 6

\(\bf <a, b, c> \cdot <d, e, f> \implies (a\times d)+(b\times e)+(c\times f)\)

Answer 7

ok, then i got the answer, thanks!

Answer 8

yw