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

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

A

are collinear

B

form an equilateral triangle

C

form a scalene triangle

D

form a right angled triangle

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The correct Answer is:
B
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MARVEL PUBLICATION-VECTORS-TEST YOUR GRASP
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  7. If bara.i = 4, then bara.[j xx (2j - 3k)]=

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  9. If veca vecb are non zero and non collinear vectors, then [(veca, vecb...

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  10. If bara,barb,barc are non-coplaner vectors and barp=(barbxxbarc)/([bar...

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  11. If direction ratios of two lines are 2,-6,-3 and 4,3,-1 then directi...

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  15. If bara.barb=barb.barc=barc.bara=0 and bara,barb,barc form a right-han...

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