Latest IIT-JEE Aptitude Question SOLUTION: The number of distinct real values of λ, for which the vectors − λ^2ˆi + ˆj +ˆk , ˆi − λ2 ˆj +ˆk and ˆi + ˆj − λ2ˆk are coplanar, is (A) zero (B) one (C) two (D)