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Mathematics, 18.02.2020 20:26 iibabycarrotsii
Suppose A is n×n and the equation Ax=b has a solution for each b in set of real numbers R Superscript nℝn. Explain why A must be invertible. [Hint: Is A row equivalent to Upper I Subscript nIn?]
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Suppose A is n×n and the equation Ax=b has a solution for each b in set of real numbers R Superscrip...
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