Determinant of a Matrix https://www.youtube.com/watch?v=lhgFVZOglegDeterminantLet us consider three homogeneous linear equations a1x + b1y + c1z = 0, a2x + b2y + c2z = 0 and a3x + b3y + c3z = 0 Eliminated x, y, z from above three equations we obtain a1(b2c3 − b3c2) − b1(a2c3 –a3c2) + (a2b3 – a3b2) = 0 …….(i)Its contains three rows and three columns, it is … [Read more...] about Determinant of a Matrix

# Minors and Cofactors

## Inverse of a Matrix using Minors, Cofactors and Adjugate

Inverse of a Matrix using Minors, Cofactors and Adjugate https://www.youtube.com/watch?v=xfhzwNkMNg4 Minors and Cofactors Minor of an element: If we take the element of the determinant and delete (remove) the row and column containing that element, the determinant left is called the minor of that element. It is denoted by Mij.Similarly, we can find the minors of other … [Read more...] about Inverse of a Matrix using Minors, Cofactors and Adjugate