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Suppose ADequals=ISubscript mm (the m times m identity matrix). Show that for any Bold bb in set of real numbers R Superscript mm, the equation
Suppose ADequals=ISubscript mm (the m times m identity matrix). Show that for any Bold bb in set of real numbers R Superscript mm, the equation ABold xxequals=Bold bb has a solution. [Hint: Think about the equation ADBold bbequals=Bold bb.] Explain why A cannot have more rows than columns
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