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Mathematics, 09.04.2021 02:20 TheRunningPotatoe245
Let A be an m n matrix whose columns are linearly inde- pendent. [Careful: A need not be square.]
a. Use Exercise 19 to show that A TA is an invertible matrix.
b. Explain why A must have at least as many rows as columns.
c. Determine the rank of A.
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Let A be an m n matrix whose columns are linearly inde- pendent. [Careful: A need not be square.]
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