Show that the points A,B and C with position vectors , `veca=3hati-4hatj-4hatk,vecb=2hati-hatj+hatkandvecc=hati-3hatj=5hatk`,respectively form the vertices of a right angled triangle.

Show that the points A,B and C having position vectors (3hati - 4hatj - 4hatk), (2hati - hatj + hatk) and (hati - 3hatj - 5hatk) respectively, from the vertices of a right-angled triangle.

Find the sum of the vectors veca=hati-2hatj+hatk,vecb=-2hati+4hatj+5hatkandvecc=hati-6hatj-7hatk .

The projection of veca=3hati-hatj+5hatk on vecb=2hati+3hatj+hatk is

Find the projection of the vector veca=2hati+3hatj+2hatk and vecb=hati-hatj+hatk

Find lambda, if the vectors veca=hati+3hatj+hatk , vecb=2hati-hatj-hatk and vecc=lambdahati+7hatj+3hatk are coplaner.

Find the angle theta between the vectors veca=hati+hatj-hatk and vecb=hati-hatj+hatk

Find the unit vector vecA=-3hati+4hatj+5hatk

Show that the points A(2hati-hatj+hatk),B(hati-3hatj-5hatk) and C(3hati-4hatj-4hatk) are the vertices of right angled triangle.

If a=3hati-2hatj+hatk,b=2hati-4hatj-3hatk and c=-hati+2hatj+2hatk , then a+b+c is

Show that the points A(2hati-hatj+hatk),B(hati-3hatj-5hatk),C(3hati-4j-4hatk) are vertices of a right angled triangle.