Question

Select the correct option from the given alternatives:

Let α, β, γ be distinct real numbers. The points with position vectors `alphahat"i" + betahat"j" + gammahat"k",  betahat"i" + gammahat"j" + alphahat"k",   gammahat"i" + alphahat"j" + betahat"k"`

Options

• are collinear

• form an equilateral triangle

• form a scalene triangle

• form a right angled triangle

Answer 1

form an equilateral triangle