If |vec(A)| = |vec(B)| and vec(A) ne +- vec(B) then angle between the vectors (vec(A) + vec(B)) and (vec(A) - vec(B)) is:

If |vec(A)| = |vec(B)| and vec(A) ne +- vec(B) then angle between the

1.	If \|vec(A)\| = \|vec(B)\| and vec(A) ne +- vec(B) then angle between the vectors (vec(A) + vec(B)) and (vec(A) - vec(B)) is:
Answer» 0 `pi//6` `pi//3` `pi//2` ANSWER :D