જો $\begin{bmatrix} \alpha \\ \beta \\ \gamma \end{bmatrix} = \begin{bmatrix} \cos \theta & -\sin \theta & 0 \\ \sin \theta & \cos \theta & 0 \\ 0 & 0 & 1 \end{bmatrix} \begin{bmatrix} x \\ y \\ z \end{bmatrix}$ હોય,તો $\frac{x^2+y^2+z^2}{\gamma} =$

  • A
    $\frac{\alpha^2+\beta^2+\gamma^2}{z}$
  • B
    $0$
  • C
    $\alpha \beta+\beta \gamma+\gamma \alpha$
  • D
    $1+\alpha^2+\beta^2+\gamma^2$

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Similar Questions

જો $A = \begin{bmatrix} \cos \theta & \sin \theta \\ -\sin \theta & \cos \theta \end{bmatrix}$ અને $A^3 = \begin{bmatrix} \cos 3 \theta & m \\ n & \cos 3 \theta \end{bmatrix}$ હોય,તો $m$ અને $n$ ની કિંમતો અનુક્રમે શું થાય?

જો $A = \begin{vmatrix} 0 & 0 & -1 \\ 0 & -1 & 0 \\ -1 & 0 & 0 \end{vmatrix}$ હોય,તો $1 + A^2 =$ . . . . . . .

જો $\left[\begin{array}{cc}x-1 & 2y \\ x+y & 3\end{array}\right]=\left[\begin{array}{cc}3x-7 & y^2-3 \\ 6 & y\end{array}\right]$ હોય,તો $\{(x, y)\} = $ . . . . . .

$a_{ij} = \frac{1}{2}|i - 3j|$ દ્વારા આપવામાં આવેલા ઘટકો ધરાવતો $3 \times 2$ શ્રેણિક બનાવો.

જો $A = \begin{bmatrix} 0 & 0 & -5 \\ 0 & -5 & 0 \\ -5 & 0 & 0 \end{bmatrix}$ હોય,તો $A^2 =$ . . . . . . .

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