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Mathematics, 04.08.2019 06:50 animaljamissofab

Can you think of any 2x2 matrices d for which cd = dc for all 2x2 matrices c? give 2 different examples of such matricesd.

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Can you think of any 2x2 matrices d for which cd = dc for all 2x2 matrices c? give 2 different exam...
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