If a^{-1}+b^{-1}+c^{-1}=0 such that |\table 1+a , 1 , 1 ; 1 , 1+b , 1 ; 1 , 1 , 1+c|=\lambda, then what is \lambda equal to?

UPSC NDA II 2011 Mathematics Paper

Question : 69 of 120

Marks: +1, -0

If a−1+b−1+c−1=0 such that |

|=λ, then what is λ equal to?

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