If vec(A)+vec(B)=vec(C ), then magnitude of vec(B) is

1.	If vec(A)+vec(B)=vec(C ), then magnitude of vec(B) is
Answer» `VEC(C )-vec(A)` `C-A` `SQRT(vec(C ).vec(V)-vec(A).vec(B))` `sqrt(vec(C ).vec(A)-vec(B).vec(A))` Answer :C

Discussion