જો $\left| \begin{array}{ccc} x - 1 & 3 & 0 \\ 2 & x - 3 & 4 \\ 3 & 5 & 6 \end{array} \right| = 0$ હોય,તો $x =$

  • A
    $0$
  • B
    $2$
  • C
    $3$
  • D
    $1$

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Similar Questions

જો $\Delta=\left|\begin{array}{lll}1 & a & a^2 \\ 1 & b & b^2 \\ 1 & c & c^2\end{array}\right|=K(a-b)(b-c)(c-a)$, હોય તો $K=$

અંતરાલ $-\frac{\pi}{4} \le x \le \frac{\pi}{4}$ માં $\left| {\begin{array}{*{20}{c}}{\sin x}&{\cos x}&{\cos x}\\{\cos x}&{\sin x}&{\cos x}\\{\cos x}&{\cos x}&{\sin x}\end{array}} \right| = 0$ ના ભિન્ન વાસ્તવિક ઉકેલોની સંખ્યા કેટલી છે?

જો $\left|\begin{array}{cc}x & 2 \\ 18 & x\end{array}\right|=\left|\begin{array}{cc}6 & 2 \\ 18 & 6\end{array}\right|,$ હોય,તો $x$ ની કિંમત શોધો.

$l, m, n$ એ એક $G$.$P$. ના $p^{th}, q^{th}$ અને $r^{th}$ પદો છે,જે બધા ધન છે,તો $\left| \begin{array}{ccc} \log l & p & 1 \\ \log m & q & 1 \\ \log n & r & 1 \end{array} \right|$ ની કિંમત શોધો.

જો $\left|\begin{array}{ccc}1+x & 1 & 1 \\ 1+y & 1+2 y & 1 \\ 1+z & 1+z & 1+3 z\end{array}\right| = 10 k x y z \left(3+\frac{1}{x}+\frac{1}{y}+\frac{1}{z}\right)$ હોય,તો $k = \text{ . . . . . . }$ (જ્યાં $x, y, z \neq 0$ અને $3+\frac{1}{x}+\frac{1}{y}+\frac{1}{z} \neq 0$).

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