Question 950149

yes, you did it right



{{{(matrix(3,3,1,2,3,2, 5 ,3,1,0,8))}}} 


inverse

{{{(matrix(3,3,-40,16,9,13,-5,-3,5,-2,-1))}}}


 *[invoke determinant_of_3x3_matrix -40, 16, 9, 13, -5, -3, 5, -2, -1]