Show that the points A, B and C with position vectors,

+1 vote
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asked Jan 24, 2018 in Mathematics by sforrest072 (157,439 points) 61 410 937

Show that the points A, B and C with position vectors,

a=3i-4j-4k, b=2i-j+k and c=i-3j-5k,

respectively form the vertices of a right angled triangle

1 Answer

+1 vote
answered Jan 24, 2018 by mdsamim (213,225 points) 5 10 15
selected Jan 24, 2018 by sforrest072
 
Best answer

Position vectors of points A, B, and C are respectively given as:

Hence, ABC is a right-angled triangle.

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