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Sudhanshu ranjan Asked a Question
August 26, 2020 11:46 pmpts 30 pts
Suppose D is a diagonal matrix with distinct diagonal entries. If A is a square matrix such that AD = DA, then show that A is also diagonal matrix. Also show that the conclusion doesn't follow if D has a repetitive entry
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  • Anonymous User Best Answer
    see the attachment 1
    • cropped8753398178349816497.jpg
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  • Anonymous User thankyou
    attachment 2....this shows that A may not be diagonal matrix if D has repetitive entry
    • cropped4212556697996572758.jpg
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