ધારો કે $A = \begin{bmatrix} 2 & 4 \\ 3 & 2 \end{bmatrix}$,$B = \begin{bmatrix} 1 & 3 \\ -2 & 5 \end{bmatrix}$,અને $C = \begin{bmatrix} -2 & 5 \\ 3 & 4 \end{bmatrix}$ છે. $A + B$ શોધો.

  • A
    $\begin{bmatrix} 3 & 7 \\ 1 & 7 \end{bmatrix}$
  • B
    $\begin{bmatrix} 3 & 7 \\ 5 & 7 \end{bmatrix}$
  • C
    $\begin{bmatrix} 1 & 1 \\ 5 & -3 \end{bmatrix}$
  • D
    $\begin{bmatrix} 3 & 1 \\ 1 & 7 \end{bmatrix}$

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જો $f(\theta) = \begin{bmatrix} \cos \theta & -\sin \theta \\ \sin \theta & -\cos \theta \end{bmatrix}$ હોય,તો $f\left(\frac{\pi}{6}\right) = $ . . . . . . .

નીચેનાનો સરવાળો કરો: $\begin{bmatrix} a & b \\ -b & a \end{bmatrix} + \begin{bmatrix} a & b \\ b & a \end{bmatrix}$

ધારો કે $A = \begin{bmatrix} 0 & 1 \\ 1 & k \end{bmatrix}$,$k \in R$ અને $A^3 = \begin{bmatrix} a & b \\ c & d \end{bmatrix}$. જો $d = 228$ હોય,તો $b + c =$

નીચે આપેલા શ્રેણિકો માટે સાચો વિકલ્પ પસંદ કરો:
$\begin{aligned} & A=\left[\begin{array}{ccc}\cos \frac{\pi}{4} & \sin \frac{\pi}{4} & 0 \\ -\sin \frac{\pi}{4} & \cos \frac{\pi}{4} & 0 \\ 0 & 0 & 1\end{array}\right] \\ & B=\left[\begin{array}{ccc}1 & 0 & 0 \\ 0 & \cos \frac{\pi}{3} & \sin \frac{\pi}{3} \\ 0 & -\sin \frac{\pi}{3} & \cos \frac{\pi}{3}\end{array}\right] \\ & C=\left[\begin{array}{ccc}\cos \frac{\pi}{6} & 0 & \sin \frac{\pi}{6} \\ 0 & 1 & 0 \\ -\sin \frac{\pi}{6} & \cos \frac{\pi}{6} & 0\end{array}\right] \\ & D=\left[\begin{array}{ccc}\cos \frac{\pi}{2} & \sin \frac{\pi}{2} & 0 \\ -\sin \frac{\pi}{2} & \cos \frac{\pi}{2} & 0 \\ 0 & 0 & 1\end{array}\right]\end{aligned}$

જો $X = \begin{bmatrix} 3 & -4 \\ 1 & -1 \end{bmatrix}$ હોય,તો $X^n$ નું મૂલ્ય શું થાય?

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