$\"\"$

\

The matrix is $\"\"$ .

\

Rewrite the matrix.

\

$\"\"$

\

Inverse of a $\"\"$ matrix : $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ . $\"\"$

\

$\"\"$ .