x + 2x2 -x3 + x = 6 -X 1 * + x2 + 2x3 -x = 3 4 -x 2x = x + 2x3 + 2x = 14 1 2 1 x + x2 x3 + 2x^ 4 4 = 8 (a) Use Gauss - Jordan method to solve the above linear system (Ax) = (b). -1 (b) Find the det(24). Where A is the coefficient matrix of the above system