Question

How do you compute the dot product for `<6, 1>*<-2, 3>`?

Answer 1

(6)(-2) + (1)(3) = -9

Explanation:

For any two vectors, `bara` and `barb`, of the forms

<`a_1, a_2,...a_n`>

and

<`b_1, b_2,...b_n`>

the dot is:

`bara•barb = (a_1)(b_1) + (a_2)(b_2) + ... (a_n)(b_n)`