Question

3. If in a determinant any two rows or columns are interchanged, then the value of the
determinant obtained is negative of the value of the given determinant. If we maken
such changes of rows (columns) in determinant A and obtain determinant A , then
4, =(-1)"A.
la b c
h il
i.e.
d e f =- d e f
9 h i
la b c

Answer 1

Answer:

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