Let `alpha , beta` and `gamma` be distinct real numbers., The yoints with position vectors `alpha hat i + beta hat j +

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Q 1619345210.     Let `alpha , beta` and `gamma` be distinct real numbers., The yoints
with position vectors `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`
NDA 2015 Paper 1 April
A

are collinear

B

form an equilateral triangle

C

form a scalene triangle

D

form a right-angled triangle

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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