Question

What is the value of (vector A+ vectorB ) x (vectorA- VectorB) ?​

Answer 1

Answer:

I think so A+B=R &A-B =-R

Answer 2

Explanation:

( a+ b)× (a-b)

(a×a)- ( a×b)+*b×a)- (b×b)

0-(a×b)-( a×b)- 0

-2(a×b)

or 2(b×a)