If A(4, 2, 6) and B (8,-5, 2) are two points in R, determine the following:...

 

Transcribed Image Text:

If A(4, 2, 6) and B (8,-5, 2) are two points in R, determine the following: a) AB and AB. [3 marks] b) The coordinates of the unit vector in the opposite direction of AB. [2 marks] If A(4, 2, 6) and B (8,-5, 2) are two points in R, determine the following: a) AB and AB. [3 marks] b) The coordinates of the unit vector in the opposite direction of AB. [2 marks]