$\begin{aligned} & \text{यदि }\left|\begin{array}{ccc}n^2 & (n+1)^2 & (n+2)^2 \\ (n+1)^2 & (n+2)^2 & (n+3)^2 \\ (n+2)^2 & (n+3)^2 & (n+4)^2\end{array}\right|=\Delta \text{और } \\ & \left|\begin{array}{ccc}1 & -4 & 7 \\ -2 & 3 & -5 \\ 3 & x & -3\end{array}\right|=2 \Delta+1, \text{तो } x=\end{aligned}$

  • A
    $3$
  • B
    $4$
  • C
    $5$
  • D
    $6$

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यदि $A = \begin{bmatrix} \alpha^2 & 5 \\ 5 & -\alpha \end{bmatrix}$ और $\det(A^{10}) = 1024$ है,तो $\alpha = $

निम्नलिखित में से कौन सा सही है?

यदि $\omega$ इकाई का घनमूल है,तो समीकरण $\left| \begin{array}{ccc} x + 2 & \omega & \omega^2 \\ \omega & x + 1 + \omega^2 & 1 \\ \omega^2 & 1 & x + 1 + \omega \end{array} \right| = 0$ का मूल क्या है?

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