Let α, β, γ be distinct real numbers. The points with position vectors and \(\alpha \hat i + \beta \hat j + \gamma \hat k,\;\beta \hat i+\;\gamma \hat j + \alpha \hat k\) and \(\gamma \hat i + \alpha \hat j + \beta \hat k\)
1
are collinear
2
form an equilateral triangle
3
form a scalene triangle
4
form a right-angled triangle