Vectors

Author:
lwyso
Referred to a fixed origin , the points and have position vectors and respectively. a) Find, in vector form, an equation of the line , which passes through and . (3 marks) The line has equation , where is a scalar parameter. b) Show that lies on . (2 marks) c) Find, in degrees, the acute angle between the lines and . (4 marks) The point with position vector lies on . d) Find the shortest distance from to the line . (4 marks)