1 2 2 2 Find the determinant of each matrix and 1 hence state whether its inverse matrix exists. (a) (b) 1 Solve the following matrix equations by first 4 finding the inverse of the 2 × 2 matrix. (a) (b) 4 Evaluate the following. 4 (a) (b)
1 2 2 2 Find the determinant of each matrix and hence state whether its inverse matrix exists. (a) (b) 1 1 Solve the following matrix equations by first finding the inverse of the 2 × 2 matrix. (a) (b) 4 4 Evaluate the following. (a) (b) 4