Question #11200092

inverse matrix true or false?

Which of the following statements are true for all A and B invertible n×n matrices? 1. B is not equal to the zero matrix. 2. A can have two identical rows. 3. AB=I does not imply that BA=I. 4. The system Bv=b has a unique solution for every vector b in ℝn. 5. The columns of B span ℝn.

2013-10-19 09:35:43

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