શૂન્યતર,વાસ્તવિક $a, b$ અને $c$ માટે,જો $\left| \begin{array}{ccc} \frac{a^2+b^2}{c} & c & c \\ a & \frac{b^2+c^2}{a} & a \\ b & b & \frac{c^2+a^2}{b} \end{array} \right| = \alpha abc$ હોય,તો $\alpha$ ની કિંમત શોધો.

  • A
    $-4$
  • B
    $0$
  • C
    $2$
  • D
    $4$

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નિશ્ચાયકનું મૂલ્ય શોધો: $\left| \begin{array}{ccc} (a^x + a^{-x})^2 & (a^x - a^{-x})^2 & 1 \\ (b^x + b^{-x})^2 & (b^x - b^{-x})^2 & 1 \\ (c^x + c^{-x})^2 & (c^x - c^{-x})^2 & 1 \end{array} \right|$

જો $A = \begin{bmatrix} 2 & 5 \\ 3 & 7 \end{bmatrix}$ અને $B = \begin{bmatrix} 0 & 3 \\ 4 & 1 \end{bmatrix}$ હોય,તો નીચેનામાંથી કયો ગુણધર્મ સાચો છે?

નિશ્ચાયકના ગુણધર્મોનો ઉપયોગ કરીને સાબિત કરો કે:
$\left|\begin{array}{ccc}x+4 & 2x & 2x \\ 2x & x+4 & 2x \\ 2x & 2x & x+4\end{array}\right|=(5x+4)(4-x)^{2}$

$\left| {\begin{array}{*{20}{c}}{x + 1}&{x + 2}&{x + 4}\\{x + 3}&{x + 5}&{x + 8}\\{x + 7}&{x + 10}&{x + 14}\end{array}} \right| = $

નિશ્ચાયક $\Delta=\left|\begin{array}{lll}3 & 2 & 3 \\ 2 & 2 & 3 \\ 3 & 2 & 3\end{array}\right|$ ની કિંમત શોધો.

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