Question
यदि $ \left[\begin{array}{lll} x & -5 & -1 \end{array}\right]$ $\left[\begin{array}{lll} 1 & 0 & 2 \\ 0 & 2 & 1 \\ 2 & 0 & 3 \end{array}\right]$$ \left[\begin{array}{l} x \\ 4 \\ 1 \end{array}\right]$ = 0 है तो x का मान ज्ञात कीजिए।
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