Question: Please Answer in detail. 2.82 Let A be an m x n matrix of rank m. Prove that the rows of A form a basis

Please Answer in detail.

2.82 Let A be an m x n matrix of rank m. Prove that the rows of A form a basis of the row space. 2.83 Let A be an m x n matrix of rank n. Prove that the columns of A form a basis of the column space

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