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