Question

Find the magnitude and the direction of AB⃗⃗⃗⃗⃗, BC⃗⃗⃗⃗⃗, and
AC⃗⃗⃗⃗⃗, if
AB⃗⃗⃗⃗⃗ = 12î− 5ĵand BC⃗⃗⃗⃗⃗ = 3î− 4ĵ.

Answer 1

Step-by-step explanation:

$ab = \sqrt{ {12 }^{2} + { (- 5)}^{2} } \\ \ \\ = 13$

$bc = \sqrt{ {3}^{2} + { (- 4)}^{2} } \\ = 5$