Question 17
Show that the points A, B and C with position vectors, = ˆˆ ˆ3 4 4 ,i j k− − = ˆˆ ˆ2i j k− + and = ˆˆ ˆ 3 5i j k− − , respectively form the vertices of a right angled triangle.
SOLUTION
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Show that the points A, B and C with position vectors, = ˆˆ ˆ3 4 4 ,i j k− − = ˆˆ ˆ2i j k− + and = ˆˆ ˆ 3 5i j k− − , respectively form the vertices of a right angled triangle.