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Let alpha,beta,gamma be distinct real nu...

Let `alpha,beta,gamma` be distinct real numbers. The points with position vectors `alpha hati+beta hatj+gamma hatk,beta hati+gamma hatj+alphahatk,gamma hati+alpha hatj+beta hatk`

A

are collinear

B

form an equilateral triangle

C

form a right angled triangle

D

form a scalene triangle

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The correct Answer is:
B
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