NDA || Co-ordinate_Geometry || Vector || Quiz

Which one of the following is the unit vector perpendicular to both  and

What is the area of the triangle OAB where O is the origin,  and

Find the angle between the vector 2 and

What type of triangle is formed by the points X, Y & Z with position vector  , and

If , and are three coplanar vectors and , then which one of the following is correct?