$\"\"$

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

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Evalulate 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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$\"\"$ .

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$\"\"$

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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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$\"\"$ .

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Add matrices $\"\"$ and $\"\"$ .

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

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$\"\"$

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$\"\"$

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$\"\"$

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The solution of $\"\"$ is $\"\"$ .