Let `alpha, beta, gamma` be distinct real numbers. The points with position vectors `alpha hat(i) + betahat(j) + gamma hat(k)`, `beta hat(i) + gamma hat(j) + alpha hat(k) , gamma hat(i) + alpha hat(j) + beta hat(k)`

Options

A. are collinear
B. form an equilateral triangle
C. form a scalene triangle
D. form a right angled triangle

Answer

B