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AP EAPCET 17th May 2023 Shift 2 Solved Paper

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Question : 31

Total: 160

For a positive real number λ, if the vector a=λi−5j+6k satisfies the equation

[i×(a×i)+j×(a×j)+k×(a×k)]2=440, then λ=

3
4
7
11

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