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Let A=[a(ij)] be a square matrix of orde...

Let `A=[a_(ij)]` be a square matrix of order `n>=2` and let B be a matrix obtained from A by interchanging any two rows (columns) of A then `|B|=-|A|`

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Let A be a square matrix of order n(>=2) and let B be a matrix obtained from A by interchanging any two rows (columns) of A ; |B|=-|A|

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True or False : Let A be a square matrix of order nge2 and B be the matrix obtained from A by interchanging two of its rows then det B = det A.

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