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

  • A
    $\begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}$
  • B
    $\begin{bmatrix} 0 & 1 \\ 1 & 0 \end{bmatrix}$
  • C
    $\begin{bmatrix} 1 & 1 \\ 1 & 1 \end{bmatrix}$
  • D
    $\begin{bmatrix} 0 & 0 \\ 0 & 0 \end{bmatrix}$

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Similar Questions

જો $X+Y=\left[\begin{array}{ll}7 & 0 \\ 2 & 5\end{array}\right]$ અને $X-Y=\left[\begin{array}{ll}3 & 0 \\ 0 & 3\end{array}\right]$ હોય,તો $X$ અને $Y$ શોધો.

$\begin{bmatrix} 1 \\ -1 \\ 2 \end{bmatrix} \begin{bmatrix} 2 & 1 & -1 \end{bmatrix} = $

ધારો કે $S = \left\{ \begin{bmatrix} a_{11} & a_{12} \\ a_{21} & a_{22} \end{bmatrix} : a_{ij} \in \{0, 1, 2\}, a_{11} = a_{22} \right\}$. તો ગણ $S$ માં અસામાન્ય (non-singular) શ્રેણિકોની સંખ્યા કેટલી છે?

જો $A = \begin{bmatrix} 0 & 1 \\ 1 & 0 \end{bmatrix}$ હોય,તો ${A^4} = $

જો $A = \frac{1}{2} \begin{bmatrix} 1 & \sqrt{3} \\ -\sqrt{3} & 1 \end{bmatrix}$ હોય,તો :

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