Question

If A^2=B^2 and A≠0, B≠0, then what is the angle between A+B and A-B.

If you answer this correctly I will mark you as the brainliest and will also follow you. No spams please. Please answer this fast.

Answer 1

Answer:

90

Explanation:

if A^2=B^2

THEN A=B AND A=-B

SO A-B=0...(1)AND A+B=0....(2)

SO WE CAN SAY A-B=A+B

/A-B/=/A+B/

A^2+B^2-2ABCOS@=A^2+B^2+2ABCOS@

= -2ABCOS@=2ABCOS@

=4ABCOS@=0

=COS@=0

=@=90

Answer 2

Answer:

hii dear

hear is your answer

I hope this answer help you

please mark be brainliest