Show that if any two columns of a determinant are interchanged, then sign of the determinant changes.

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

       

On interchanging the 1st and the 2nd column. i.e.

           

 

Thus, the value of the determinant changes on interchanging two columns.

Answered by  | 4th Jun, 2014, 03:23: PM