$\"\"$

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

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Evalulate the expression is $\"\"$ .

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Rewrite the expression is $\"\"$

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Find $\"\"$ .

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

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$\"\"$

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$\"\"$

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$\"\"$

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Substitute $\"\"$ in $\"\"$ to find $\"\"$ value.

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$\"\"$

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Divide each side by $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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