WBJEE 2019 Math Solved Paper

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Question : 56 of 75

Marks: +1, -0

The position vectors of the points A, B, C and D are 3

^

i

−2

^

j

–

^

k

, 2

^

i

−3

^

j

+2

^

k

, 5

^

i

−

^

j

+2

^

k

and 4

^

i

−

^

j

+λ

^

k

respectively. If the points A, B, C and D lie on a plane, the value of λ is

0
1
2
– 4

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