[" Show that the points "A,B,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."]

Show that the points A, B and C with position vectors veca=3i-4j-4k,vecb=2i-j+k and vecc=i-3j-5k respectively form the vertices of a right angled triangle.

The points A, B and C with position vectors a=3i-4j-4k,b=2i-j+kandc=i-3j-5k , respectively are

Show that the points A,B,C with position vectors 2hat ihat j+hat k,hat i35hat k and 3hat i4hat j4hat k respectively,are the vertices of a right-angled triangle.Hence find the area of the triangle.

The values of 'a' for which the points A, B, C with position vectors 2i-j+k, i-3j-5k and ai-3j+k respectively are the vertices of a right angled triangle with C = pi/2 are

Values of a for which the points A, B, C with position vectors 2i - j+k, i - 3j - 5k and ai - 3j +k, respectively, are the vertices of a right angled triangle with C = (pi)/2 are

Show that the points A,B,C with position vectors 2hat i-hat j+hat k,hat i-3hat j-5hat k and 3hat i-4hat j-4hat k respectively,are the vertices of a right angled triangle.Also,find the remaining angles of the triangle.

Show that the points A,B and C having position vectors (i+2j+7k),(2i+6j+3k) and (3i+10j-k) respectively,are collinear.

Show that the points A,B and C with position vectors,vec a=3hat i-4hat j-4hat kvec b=2hat i-hat j+hat k and vec c=hat i-3hat j-5hat k respectively form the vertices of a right angled triangle.