જો $\left|\begin{array}{lll}a & a^3 & a^4 \\ b & b^3 & b^4 \\ c & c^3 & c^4\end{array}\right|=k(a-b)(b-c)(c-a)$ હોય,તો $k=$

  • A
    $abc(ab+bc+ca)$
  • B
    $4(ab+bc+ca)(abc)$
  • C
    $abc$
  • D
    $ab+bc+ca$

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Similar Questions

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 $1, \omega, \omega^2$ એ એકમના ઘનમૂળ હોય,તો $\Delta = \begin{vmatrix} 1 & \omega^n & \omega^{2n} \\ \omega^n & \omega^{2n} & 1 \\ \omega^{2n} & 1 & \omega^n \end{vmatrix} = $

$\left|\begin{array}{ccc} \log e & \log e^2 & \log e^3 \\ \log e^2 & \log e^3 & \log e^4 \\ \log e^3 & \log e^4 & \log e^5 \end{array}\right| \text{ ની કિંમત શોધો: }$

જો સમીકરણોની સિસ્ટમ $x - ky - z = 0$,$kx - y - z = 0$ અને $x + y - z = 0$ નો શૂન્યતર ઉકેલ હોય,તો $k$ ની શક્ય કિંમતો કઈ છે?

$\left| {\begin{array}{ccc} {1^2} & {2^2} & {3^2} \\ {2^2} & {3^2} & {4^2} \\ {3^2} & {4^2} & {5^2} \end{array}} \right|$ નું મૂલ્ય શોધો.

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