Question

A vector C = A - B has a magnitude equal to A + B, the angle between A and B is (A) Zero (B)π/2 (C) 1 (D) 2π​

Answer 1

please check the attachment!

Answer 2

Explanation:

$\large{\purple{solution}}$

$c = a - b \\ |c| = a + b \\ {a}^{2} + {b }^{2} + 2ab = {a}^{2} + {b}^{2} - 2ab \: \cos0 \\ \cos0 = - 1 \\ 0 = 180 \\ 0 = \pi$