ધારો કે $A = \begin{bmatrix} 5 & 5\alpha & \alpha \\ 0 & \alpha & 5\alpha \\ 0 & 0 & 5 \end{bmatrix}$. જો $|A|^2 = 25$ હોય, તો $|\alpha|$ ની કિંમત શોધો.

  • A
    $5^2$
  • B
    $1$
  • C
    $\frac{1}{5}$
  • D
    $5$

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Similar Questions

સુરેખ સમીકરણોની સંહતિ $x + \lambda y - z = 0, \lambda x - y - z = 0, x + y - \lambda z = 0$ ને નીચેનામાંથી કોના માટે શૂન્યેતર ઉકેલ છે?

$\begin{vmatrix} \cos^2\theta & -\sin^2\theta \\ \sin^2\theta & \cos^2\theta \end{vmatrix} = \dots$

જો $\left|\begin{array}{ll}3 & x \\ x & 1\end{array}\right|=\left|\begin{array}{ll}3 & 2 \\ 4 & 1\end{array}\right|$ હોય,તો $x$ ની કિંમત શોધો:

જો $\left|\begin{array}{cc}\sin ^2 \theta & \cos ^2 \theta \\ -\cos ^2 \theta & \sin ^2 \theta\end{array}\right| = $ . . . . . . .

જો $A=\left[\begin{array}{lll}1 & 0 & 1 \\ 0 & 1 & 2 \\ 0 & 0 & 4\end{array}\right]$ હોય,તો સાબિત કરો કે $|3 A|=27|A|$.

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