If three vectors 2î - ĵ + k̂, î + 2ĵ - 3k̂ and 3î + λĵ – McqOptions

MCQOPTIONS

1.	If three vectors 2î - ĵ + k̂, î + 2ĵ - 3k̂ and 3î + λĵ + 5k̂ are co-planar, then λ is:
A.	-1
B.	-2
C.	-3
D.	-4
Answer» E.

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