Question

MATRICES
________________________
Find the inverse of the following:
| 5 1 1 |
| 1 5 1 |
| 1 1 5 |​

Answer 1

Find inverse of the matrix

⎣

⎢

⎢

⎡

1

0

3

−1

1

2

1

1

−4

⎦

⎥

⎥

⎤

by elementary transformation.