यदि $1, \omega, \omega^2$ इकाई के घनमूल हैं,तो $\Delta = \begin{vmatrix} 1 & \omega^n & \omega^{2n} \\ \omega^n & \omega^{2n} & 1 \\ \omega^{2n} & 1 & \omega^n \end{vmatrix} = $

  • A
    $0$
  • B
    $1$
  • C
    $\omega$
  • D
    $\omega^2$

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

यदि $A, B, C$ एक त्रिभुज के कोण हैं,तो $\left| \begin{array}{ccc} -1 & \cos C & \cos B \\ \cos C & -1 & \cos A \\ \cos B & \cos A & -1 \end{array} \right| = $

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यदि $\left|\begin{array}{ll}3 & x \\ x & 1\end{array}\right|=\left|\begin{array}{ll}3 & 2 \\ 4 & 1\end{array}\right|$ है,तो $x$ का मान . . . . . . है।

$\left| \begin{array}{ccc} 0 & p-q & p-r \\ q-p & 0 & q-r \\ r-p & r-q & 0 \end{array} \right| = $

यदि $\left|\begin{array}{ll}3 & x \\ x & 1\end{array}\right|=\left|\begin{array}{ll}3 & 2 \\ 4 & 1\end{array}\right|$ है,तो $x$ का मान ज्ञात कीजिए:

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