यदि $A=\left[\begin{array}{cc}1 & 0 \\ 0 & -1\end{array}\right]$,$P=\left[\begin{array}{ll}1 & 1 \\ 0 & 1\end{array}\right]$ और $X=A P A^T$ है,तो $A^T X^{50} A=$

  • A
    $\left[\begin{array}{ll}0 & 1 \\ 1 & 0\end{array}\right]$
  • B
    $\left[\begin{array}{cc}2 & 1 \\ 0 & -1\end{array}\right]$
  • C
    $\left[\begin{array}{cc}25 & 1 \\ 1 & -25\end{array}\right]$
  • D
    $\left[\begin{array}{cc}1 & 50 \\ 0 & 1\end{array}\right]$

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निम्नलिखित में से सही संबंध ज्ञात कीजिए।

निम्नलिखित समीकरण से $x, y$ और $z$ का मान ज्ञात कीजिए: $\begin{bmatrix} x+y+z \\ x+z \\ y+z \end{bmatrix} = \begin{bmatrix} 9 \\ 5 \\ 7 \end{bmatrix}$

मान लीजिए $A=\left[\begin{array}{ccc}1 & -1 & 2 \\ 0 & 3 & 4\end{array}\right]$,$B=\left[\begin{array}{ccc}4 & 0 & -3 \\ -1 & -2 & -3\end{array}\right]$ और $C=\left[\begin{array}{cccc}2 & -3 & 0 & 1 \\ 5 & -1 & -4 & 2 \\ -1 & 0 & 0 & 3\end{array}\right]$ है,तो $A^T B$ क्या है?

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