Question

Show that the matrix has no inverse.

Answer 1

Step 1 :

A matrix has no inverse if the determinant of the matrix is zero.

A determinant has the value as .

 

A determinant has the value as.

Step 2 :

The matrix is .

 

The determinant is .

 

Since the determinant of the matrix is zero, the matrix has no inverse.

Solution :

The matrix has no inverse.