UPSC NDA I 2010 Mathematics Paper

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Question : 76 of 120

Marks: +1, -0

What is the value of λ for which the vectors

∧

i

−

∧

j

+

∧

k

, 2

∧

i

+

∧

j

−

∧

k

,λ

∧

i

−

∧

j

+λ

∧

k

, are coplanar?

1
2
3
4

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