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If Δ=|(5,3,8),(2,0,1),(1,2,3)| , write the minor of the element a23 .

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If Δ=|(5,3,8),(2,0,1),(1,2,3)| , write the minor of the element a23 .

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Minor of a23=|(5,3),(1,2)|=10-3=7.

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