$\"\"$

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Consider the matrices as $\"\"$ and $\"\"$ .

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Prove $\"\"$ .

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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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Find $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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Hence $\"\"$ .

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$\"\"$

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