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concrete counter-example

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Suppose A is a 3 × 5-matrix of rank 3.
Is the linear system AX = B consistent for every B ∈ R3 ?
--- If yes, explain why.
----If no, provide a concrete counter-example (concrete = with numbers).

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Solution Summary

A concrete counter-example is offered.

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Answer is YES
Explanation: By theorem, a system of linear equations AX = B is ...

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