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

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Find $\"\"$ .

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First find $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Next find $\"\"$ .

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

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$\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Therefore, $\"\"$ .

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Product matrix is $\"\"$ .