Question

if r×a=a×b then a) r+b is parallel to a, b) r+a is parallel to b, c) a+b is parallel to r, d) none of these​

Answer 1

Step-by-step explanation:

if r×a=a×b then a) r+b is parallel to a, b) r+a is parallel to b, c) a+b is parallel to r, d) none of these