Math Chapter Wise Operations On Vectors English MCQ Haryana PGT 2019 Q.a i j, = + b j k = + and c xa yb = +. If ˆ i 2j k, 3i 2j k − + + − and c are coplanar, then x y = A–2 B–3 C2/3 D–1 Show answer Correct answer: –3