The values of a for which the points A,B,C with position vectors `2hati-hatj-hatk, hati-3hatj-5hatk and ahati-3hatj+hatk` respectively are the vertices of a righat angled triangle at C are (A) 2 and 1 (B) `-2 and -1` (C) `-2 and 1` (D) `2 and -1`

The value of a for which the points A,B,C with position vectors 2hati-hatj+hatk, hati-3hatj-5hatk and ahati-3hatj+hatk respectively are the vertices are the vetices of a righat angled triangle with C=pi/2 are (A) -2 and -1 (B) -2 and 1 (C) 2 and -1 (D) 2 and 1

The value of 'a' for which the points A, B,C with position vectors 2hati - hatj + hatk , hati + 2hatk, hati -3hatj - 5hatk and a hati -3hatj +hatk respectively are the vertices of a right angled triangle with C = pi//2 , are

Show that the points A, B, and C with position vectgors veca=3hati-4hatj-4hatk, vecb=2hati-hatj+hatk and vec=hati-3hatj-5hatk respectively form the veertices of a righat angled triangle

Prove that the points hati-hatj, 4hati-3hatj+ hatk and 2hati-4hatj+5hatk are the vertices of a righat angled triangle.

Showt hat the points A(2hati-hatj+hatk),B(hati-3hatj-5hatk) and C(3hati-3hatj-3hatk) are the vertices of a righat ngled triangled

Show that the points A, B and C with position vectors -2hati+3hatj+5hatk, hati+2hatj+3hatk and 7hati-hatk respectively are collinear

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

The points with position vectors 5hati + 5hatk, -4hati + 3hatj - hatk and 2hati +hatj + 3hatk

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.