Question

Show that the two vectors are perpendicular to each other A=2i+2j-2k and bH=2i-j+k.​

Answer 1

Answer:

for perpendicular a.b=0

so

(2i+2j-2k)(2i-j+k)= 4-2-2

=4-4 =0

so

A and B are perpendicular to each other.

Explanation:

a.b=abcostheta(q)