यदि $\begin{bmatrix} 2 & 3 & 4 \end{bmatrix} \begin{bmatrix} 1 & x & 3 \\ 2 & 4 & 5 \\ 3 & 2 & x \end{bmatrix} \begin{bmatrix} x \\ 2 \\ 0 \end{bmatrix} = O$ है,तो $x = $ . . . . . .

  • A
    $\frac{7}{3}$
  • B
    $\frac{5}{3}$
  • C
    $-\frac{5}{3}$
  • D
    $-\frac{7}{3}$

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यदि $A = \begin{bmatrix} 0 & 3 \\ 0 & 0 \end{bmatrix}$ और $f(x) = x + x^2 + x^3 + \ldots + x^{2023}$ है,तो $f(A) + I = $

यदि $A=\left[\begin{array}{rr}i & -i \\ -i & i\end{array}\right]$ और $B=\left[\begin{array}{rr}1 & -1 \\ -1 & 1\end{array}\right]$ है,तो $A^8$ ज्ञात कीजिए। ($B$ में)

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