Question

Evaluate the expression.

r = <7, -3, -7>, v = <4, 6, -5>, w = <-5, -6, -3>

v ⋅ w

Answer 1

@ShailKumar

Answer 2

If you have v = <a,b,c> and w = <p,q,r>
Then v.w = <a times p, b times q, c times r >

Answer 3

Can you find v.w now ?

Answer 4

<-20,-36,15>??

Answer 5

the dot product is the sum of the products

Answer 6

you get a single number (a scalar)

Answer 7

so do i add my answer up into one number?

Answer 8

yes, add up -20 -36 + 15

Answer 9

-41?

Answer 10

yes

Answer 11

can i get your help with one more question

Answer 12

@phi

Answer 13

Did you post it ?