${\left[ {\begin{array}{*{20}{c}}1&3\\3&{10}\end{array}} \right]^{ - 1}} = $

  • A
    $\left[ {\begin{array}{*{20}{c}}{10}&3\\3&1\end{array}} \right]$
  • B
    $\left[ {\begin{array}{*{20}{c}}{10}&{ - 3}\\{ - 3}&1\end{array}} \right]$
  • C
    $\left[ {\begin{array}{*{20}{c}}1&3\\3&{10}\end{array}} \right]$
  • D
    $\left[ {\begin{array}{*{20}{c}}{ - 1}&{ - 3}\\{ - 3}&{ - 10}\end{array}} \right]$

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यदि $A^{-1}=\left[\begin{array}{ccc}3 & -1 & 1 \\ -15 & 6 & -5 \\ 5 & -2 & 2\end{array}\right]$ और $B=\left[\begin{array}{ccc}1 & 2 & -2 \\ -1 & 3 & 0 \\ 0 & -2 & 1\end{array}\right],$ है,तो $(AB)^{-1}$ ज्ञात कीजिए।

यदि $A = \begin{bmatrix} 2 & -3 \\ -4 & 1 \end{bmatrix}$ है,तो $\text{adj}(3A^2 + 12A)$ का मान ज्ञात कीजिए।

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यदि $A$,$3 \times 3$ कोटि का एक आव्यूह है,तो $(A^2)^{-1}$ किसके बराबर है?

आव्यूह $A = \begin{bmatrix} 1 & 1 & 1 \\ 1 & 2 & -3 \\ 2 & -1 & 3 \end{bmatrix}$ के लिए,दर्शाइए कि $A^{3} - 6A^{2} + 5A + 11I = 0$ है। अतः,$A^{-1}$ ज्ञात कीजिए।

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