$\"\"$

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

Evalulate the expression is $\"\"$ .

Rewrite the expression is $\"\"$

Find $\"\"$ .

$\"\"$ and $\"\"$

$\"\"$

Compare $\"\"$ with $\"\"$ to find $\"\"$ .

$\"\"$ .

Divide each side by $\"\"$ .

$\"\"$

$\"\"$ .

$\"\"$

The value of $\"\"$ is $\"\"$ .