Consider the system Ax=bAx = bAx=b with A=(123246369)A = \begin{pmatrix} 1 & 2 & 3 \\ 2 & 4 & 6 \\ 3 & 6 & 9 \end{pmatrix}A=123246369 and b=(123)b = \begin{pmatrix} 1 \\ 2 \\ 3 \end{pmatrix}b=123. How many solutions exist?
Zero
One
Infinitely many
Two