Find the inverse of each of the following by Gauss - Jordan method :
`[(2,-1),(5,-2):}]`

Find the inverse of each of the following by Gauss - Jordan method : [{:(1,-1,0),(1,0,-1),(6,-2,-3):}]

Find the inverse of each of the following by Gauss - Jordan method : [{:(1,2,3),(2,5,3),(1,0,8):}]

Find the inverse of each of the following matrices, by using adjoint method : {:((1,-1,2),(2,3,5),(-2,0,1)):}"