$x$ ની કઈ કિંમત માટે $\left[\begin{array}{lll}1 & 2 & 1\end{array}\right]\left[\begin{array}{lll}1 & 2 & 0 \\ 2 & 0 & 1 \\ 1 & 0 & 2\end{array}\right]\left[\begin{array}{l}0 \\ 2 \\ x\end{array}\right]=O$ થાય?

  • A
    $-1$
  • B
    $0$
  • C
    $1$
  • D
    $2$

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