UPSC NDA II 2025 Mathematics Paper

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Question : 70 of 120

Marks: +1, -0

A force

⟶

F

=2

‌

i

−λ

‌

j

+5

‌

k

is applied at the point A(1, 2, 5) If its moment about the point B(- 1, - 2, 3) is 16

‌

i

−6

‌

j

+2λ

‌

k

, then what is the value of λ ?

-2
0
1
2

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