Question

Evaluate the expression:
v ⋅ w
r=<8,8,-6>; v = <3,-8,-3>; w = <-4,-2,-6>
Show me the steps please?

Answer 1

v ⋅ w = 3*-4 +-8*-2 +-3*-6
=-12 +16 +18

Answer 2

to find the dot product, we have to multiply corresponding components together
and then add the result... like above ^

Answer 3

Thank you :) I was wondering if it was really that simple or there was some underlying thing