that is orthogonal to 6 Question 6: 6 Marks Assume that a vector a of length ||a|| = 3 units. In addition, a points in a direction that is 135 counter- clockwise from the positive x-axis, and a vector b in th xy-plane has a length ||5||= and points in the positive y-direction. (6.1) Find a b (6.2) Calculate the distance between the point (-1, 3) and the line 2x - 2y - 5 = 0. (3) (3)