MCQ
यदि $\left|\begin{array}{cc}1-x & 2 \\ 18 & 6\end{array}\right|=\left|\begin{array}{cc}6 & 2 \\ 18 & 6\end{array}\right|$ तो $x=$
- A$\pm 6$
- B6
- ✓-5
- D7
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