- #1

nicknaq

- 67

- 0

## Homework Statement

Given the 2x2 matrix A= 0 −2

9 −5

Write A^-1 as a product of 4 elementary matrices.

## The Attempt at a Solution

I got the following. It's wrong. Please find my error.

1 0 | 1/9 0 | 1 0 | 1 5/9

0 1 | 0 1 | 0 -1/2 | 0 1

Edit: Geeze. the forum won't let me show the spaces between the four matrices above. sorry.