Question

The three vectors a=3icap-2jcap+kcap,b=icap-3jcap+5kcap and c=2icap+jcap-4kcap form which type of triangle

Answer 1

We get the magnitudes of the vectors as a= √14 b=√35 c=√21 now c^2 + a^2= b^2 , therefore it is a right angle triangle where b is the hypotenuse.