Find the adjoint of the matrix: `[[2,-4],[-1,2]]`

1.Find the adjoint of the matrix A= [[1,2],[3,4]]

Using elementary transformations, find the inverse of the matrix [[3,-1],[-4, 2]]

Using elementary transformations, find the inverse of the matrix [[3,-1],[-4, 2]]

Find the adjoint of the matrix A=[(-1,-2,-2), (2 ,1,-2), (2,-2, 1)] and hence show that A(a d j\ A)=|A|\ I_3 .

Using elementary transformations, find the inverse of the matrix [[2 ,1],[ 4, 2]]

Find the rank of the matrix [[1,2,-1,3],[2,4,1,-2],[3,6,3,-7]]

Find the rank of the matrix [[2,1,-1,2],[1,3,2,-3],[-1,2,1,-1],[2,-3,-1,4]]

Write the adjoint of the following matrix: [[2,-1],[4,3]]

Find the adjoint of the matrix A=[(1,1,1),(2,1,-3),(-1,2,3)] .

4.Find the rank of the matrix A = [[4,2,-1,2],[1,-1,2,1],[2,2,-2,0]]