If the vectors \alphai^{∧}+\alphaj^{∧}+\gammak^{∧},i^{∧}+k^{∧} and \gammai^{∧}+\gammaj^{∧}+\betak^{∧} lie on a plane,where α,β and γ are distinct non-negative numbers,then γ is [NDA II 2015]

Correct Answer is : Geometric mean of α and β

UPSC NDA II 2015 Mathematics Solved Paper

Question : 68 of 120

Marks: +1, -0

If the vectors α

∧

+α

∧

+γ

∧

and γ

∧

+γ

∧

+β

∧

lie on a plane,where α,β and γ are distinct non-negative numbers,then γ is

[NDA II 2015]

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