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प्रश्न
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"`
विकल्प
are collinear
form an equilateral triangle
form a scalene triangle
form a right angled triangle
उत्तर
form an equilateral triangle
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