Latest IIT-JEE Aptitude Question SOLUTION: Let = ˆ + ˆ + ˆ , = ˆ + ˆ + ˆ   a i j k b i j k and = ˆ - ˆ - ˆ  c i j k be three vectors. A vector v in the plane of   a and b , whose projection on c is 1/sqrt3 i