Class 12 Chapter 4

|A| = a11 a22 a33 – a11 a23 a32 – a12 a21 a33 + a12 a23 a31 + a13 a21 a32 – a13 a31 a22

The value of the determinant remains unchanged if the rows and columns of a determinant are interchanged.

If any two rows (or columns) of determinants are interchanged, then the sign of determinants changes.

<p>If any two rows or columns of a determinant are equal or identical, then the value of the determinant is 0.</p> Signup and view all the answers

<p>If each element of a row or a column of a determinant is multiplied by a constant k, then the value of the determinant is multiplied by k.</p> Signup and view all the answers