If the position vectors of the points A, B, C are `-2hat i + 2hat j + 2hat k, 2hat i+ 3hat j +3hat k and -hat i 2hat j+3hat k` respectively, show that ABC is an isosceles triangle.

If the position vectors of the points A, B C are 3hat(i)-4hat(j)-4hat(k), 2hat(i)-hat(j)+hat(k) " and " hat(i)-3hat(j)-5hat(k) respectively. Show that ABC is right-angled triangle.

The position vectors of the points A,B,C are 2hat i+hat j-hat k,3hat i-2hat j+hat k and hat i+4hat j-hat k respectively.These pooints Form an isosceles triangle Form a right triangle Are collinear Form a scalene triangle

The position vectors of the points A,B, and C are 2hat(i)+4hat(j)-hat(k), 4hat(i)+5hat(j)+hat(k) " and " 3hat(i)+6hat(j)-3hat(k) respectively. Show that the points form a right-angled triangle.

The position vectors of A, B, C are 2hat(i)+hat(j)-hat(k), 3hat(i)-2hat(j)+hat(k) and hat(i)+4hat(j)-3hat(k) respectively. Show that A, B and C are collinear.

The position vectors of three points A,B anc C (-4hat(i) +2hat(j) -3hat(k)) (hat(i) +3hat(j) -2hat(k)) "and " (-9hat(i) +hat(j) -4hat(k)) respectively . Show that the points A,B and C are collinear.

The position vectors of the points A, B and C are 2hat(i)+6hat(j)-hat(k), hat(i)+2hat(j)+4hat(k) " and " 3hat(i)+10hat(j)-6hat(k) respectively. Show that the points A, B and C are collinear.

The position vectors of vertices of a Delta ABC are 4hat(i)-2hat(j), hat(i)-3hat(k) and -hat(i)+5hat(j)+hat(k) respectively, then angle ABC is equal to