$\"\"$

\

The matrices are $\"\"$ and $\"\"$ .

\

If $\"\"$ and $\"\"$ are inverse matrices, then $\"\"$ .

\

Find the matrices are $\"\"$ and $\"\"$ .

\

Find the matrix $\"\"$ .

\

$\"\"$ , $\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

$\"\"$

\

Find the matrix $\"\"$ .

\

$\"\"$ , $\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$ .

\

$\"\"$ , $\"\"$

\

The matrices are $\"\"$ .

\

$\"\"$

\

The matrices are $\"\"$ and $\"\"$ are inverse matrix.