Question

21. If the magnitudes of vectors A, B and Ċ are 12, 5 and 13
3
units respectively and A+B = C, the angle between
vectors A and B is:
(a) 0
(6)
(c) 7/2
(d) 1/4​

Answer 1

Explanation:

A+B=C

12+5=3

17=3

17/3

5.6666