UPSC NDA II 2010 Mathematics Paper

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Question : 64 of 120

Marks: +1, -0

PQRS is a parallelogram, where PQ=3

∧

i

+2

∧

j

−m

∧

k

, PS=

∧

i

+3

∧

j

+

∧

k

and the area of the parallelogram is √90. What is the value of m ?

1
−1
2
−2

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