MHT CET 2021 Math Solved Paper

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Question : 72 of 100

Marks: +1, -0

If the vectors 2

∧

i

−

∧

j

−

∧

k

,

∧

i

+2

∧

j

−3

∧

k

and 3

∧

i

+λ

∧

j

+5

∧

k

are coplanar, then the value of λ is

−8
−4
−2
−1

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