MCQ
यदि आव्यूह $\left[\begin{array}{cc}K+4 & -1 \\ 3 & K-6\end{array}\right]=\left[\begin{array}{cc}a & -1 \\ 3 & -4\end{array}\right]$ तो $a$ का मान है-
- A4
- B6
- C5
- D8
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