Using elementary transformations (operations), find the inverse of the following matrices, if it exists: `[[1,2],[2,-1]]`

Using elementary transformations (operations), find the inverse of the following matrices, if it exists: [[4,5],[3,4]]

Using elementary transformtions (operations), find the inverse of the following matrices, if it exists: [[1/2,2/5],[2/5,- 1/5]]

Using elementary transformtions (operations), find the inverse of the following matrices, if it exists: [[3,9],[1,3]]

Using elementary transformations (operations), find the inverse of the following matrices, if it exists [(2,-1,3),(-5,3,1),(-3,2,3)]

Using elementary transformations find the inverse of each of the following matrices , if it exist. [{:(1,2),(2,-1):}]

Using elementary transformations, find the inverse of the following matrices [{:(2,1),(4,2):}]

Using elementary transformations (operations),find the inverse of the following [[2,-1,3-5,3,1-3,2,3]]

Find the inverse of the following matrices, if it exists, using elementary operation: [[2,5],[1,3]]