Question: Let A be a 3 x 4 matrix. If b = a1 + a2 + a3 + a4 then what can you conclude about the

Let A be a 3 x 4 matrix. If b = a1 + a2 + a3 + a4
Let A be a 3 x 4 matrix. If b = a1 + a2 + a3 + a4 then what can you conclude about the number of solutions to the linear system Ax = b? Explain

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