Question

Find the Inverse of A [1 2 1
2 -1 2
1 1 -2]​

Answer 1

Answer:

Find the Inverse of A [1 2 1

2 -1 2

1 1 -2]

Answer 2

Answer:

A=[1 2 1

2 -1 2

1 1 -2]

inverse of this matrix=

A^-=[1 2 1

2 -1 1

1 2 -2] ans