Determinants

The determinant of a 2 × 2 matrix ⎡a  b⎣⎡c  d⎣ is calculated as ad − bc. If the determinant is zero, the matrix is called singular and does not have an inverse.

Find the determinant of a 2×2 matrix, or check whether a matrix is singular.

Continue exploring related topics:

• Identity Matrix
• Inverse Matrices
• Simultaneous Equations