INANTlution :10 3linterchanging Ist and 2nd colum – InterviewSolution

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INANTlution :10 3linterchanging Ist and 2nd colum

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Note :-Interchange two rows or columns changes the sign: -> -1 * det(A)

Hence in the expression provided, determinant is multiplied by a factor -1 , when two of it's rows or columns are interchanged.

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