નિશ્ચાયક $\left| \begin{array}{ccc} 1 & 2 & 3 \\ 3 & 5 & 7 \\ 8 & 14 & 20 \end{array} \right|$ નું મૂલ્ય શોધો.

  • A
    $20$
  • B
    $10$
  • C
    $0$
  • D
    $250$

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Similar Questions

સમીકરણ $\left| \begin{array}{ccc} \cos \theta & \sin \theta & \cos \theta \\ -\sin \theta & \cos \theta & \sin \theta \\ -\cos \theta & -\sin \theta & \cos \theta \end{array} \right| = 0$ નો ઉકેલ શું છે?

જો $\left| \begin{array}{ccc} a & b & c \\ b & c & a \\ c & a & b \end{array} \right| = k(a + b + c)(a^2 + b^2 + c^2 - bc - ca - ab)$ હોય,તો $k =$

જો $\left| \begin{array}{ccc} \cos 2x & \sin^2 x & \cos 4x \\ \sin^2 x & \cos 2x & \cos^2 x \\ \cos 4x & \cos^2 x & \cos 2x \end{array} \right| = a_0 + a_1 \sin x + a_2 \sin^2 x + \dots$ હોય,તો $a_0$ ની કિંમત શોધો.

જો $\left|\begin{array}{ccc}\cos (A+B) & -\sin (A+B) & \cos 2 B \\ \sin A & \cos A & \sin B \\ -\cos A & \sin A & \cos B\end{array}\right|=0$ હોય,તો $B$ ની કિંમત શોધો.

જો $A = \begin{bmatrix} \alpha & 2 \\ 2 & \alpha \end{bmatrix}$ અને $|A^3| = 27$ હોય,તો $\alpha = $

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