Question

if P bar into Q bar = R bar then what is the answer?

Answer 1

Explanation:

if p bar × q bar=r bar

then ,

p bar. q bar= q bar. r bar

Answer 2

Answer:

P bar . R bar = q bar . R bar

Explanation:

Dot products of different vectors is 0 and dot product of same unit vectors is 1

Cross product of same vectors is 0