MCQ
If $\text{A}=\begin{bmatrix}3&\text{x}-1\\2\text{x}+3&\text{x}+2\end{bmatrix}$ is a symmetric matrix, then $x =$
- A$4$
- B$3$
- ✓$-4$
- D$-3$
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$2 x+y+z=5$
$x-y+z=3$
$x+y+a z=b$
has no solution, then :