જો $A = \begin{bmatrix} -1 & 0 \\ 0 & 2 \end{bmatrix}$ હોય, તો $A^3 - A^2$ ની કિંમત શોધો.

  • A
    $2A$
  • B
    $2I$
  • C
    $A$
  • D
    $I$

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Similar Questions

$A = [a_{ij}]_{m \times n}$ એ ચોરસ શ્રેણિક છે,જો

જો $A=\left[\begin{array}{ccc}1 & -2 & 1 \\ 2 & 1 & 3\end{array}\right]$ અને $B=\left[\begin{array}{cc}2 & 1 \\ 3 & 2 \\ 1 & 1\end{array}\right]$ હોય,તો $(AB)^{\prime}$ બરાબર શું થાય?

$\cos \theta \begin{bmatrix} \cos \theta & \sin \theta \\ -\sin \theta & \cos \theta \end{bmatrix} + \sin \theta \begin{bmatrix} \sin \theta & -\cos \theta \\ \cos \theta & \sin \theta \end{bmatrix}$ ને સરળ બનાવો.

$3 \times 3$ શ્રેણિકોની સંખ્યા શોધો જેમાં તમામ ઘટકો કાં તો $2$ અથવા $9$ હોય.

જો $A=\left[\begin{array}{lll}9 & 3 & 0 \\ 1 & 5 & 8 \\ 7 & 6 & 2\end{array}\right]$ અને $AA^T-A^2=\left[\begin{array}{lll}a_{11} & a_{12} & a_{13} \\ a_{21} & a_{22} & a_{23} \\ a_{31} & a_{32} & a_{33}\end{array}\right]$, હોય તો $\sum_{\substack{1 \leq i \leq 3 \\ 1 \leq j \leq 3}} a_{i j}=$

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