Question

Calculate the dot product of two vectors:
m = [4,5,-1] and n = [6,-2,7]

Answer 1

The Dot Product is a scalar (number)

(4 * 5) + (5 * -2) + (-1 * 7)
20 + -10 + -7
10 + -7
3

3.

Answer 2

Oops, sorry about that, the correct answer is 7

(4 * 6) + (5 * -2) + (-1 * 7)
24 + (-10) + (-7)
14 + (-7)
7

7.

Answer 3

thank you!