Q: If A is an m x n matrix and rank A = m, show that m <= n.(adsbygoogle = window.adsbygoogle || []).push({});

I know that by definition if A is m x n, then rank A <= m and rank A <= n. However, I do not know how I would do this if rank A = m.

Any help would be great thanks.

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# Rank of a matrix proof

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