Question

How do you compute the dot product for `<4, 5>*<2, 3>`?

Answer 1

The answer is 23

Explanation:

The dot product of 2 vectors, `vecu` and `vecv`
If `vecu =〈x₁,y₁〉` and `vecv=〈x₂,y₂〉`
Then the dot product is #vecu*vecv=x₁x₂+y₁y₂ #
So the dot product is `(4*2+5*3)=23`