Question
यदि $\left[\begin{array}{cc}K+4 & -1 \\ 3 & K-6\end{array}\right]=\left[\begin{array}{cc}a & -1 \\ 3 & -4\end{array}\right]$ तो a का मान ज्ञात कीजिए -

Answer

स्वप्रयत्न

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