KEAM 2014 Math Paper

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Question : 7 of 120

Marks: +1, -0

If λ(3

⋀

i

+2

⋀

j

−6

⋀

k

) is a unit vector, then the values of λ are

±
1
7
±7
±√{43}
±
1
√43
±
1
√7

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