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A real matrix A is called normal if AAT = ATA. Why is a non-square matrix never normal? + Drag and drop an image or

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A real matrix A is called normal if AAT = ATA. Why is a non-square matrix never normal? + Drag and drop an image or PDF file or click to browse... Q6-b (0 points) A real matrix A is called normal if AAT = ATA. Find all real values of x such that the matrix A = is normal. 2

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