જો $a \ne 6, b, c$ એ $\left| \begin{array}{ccc} a & 2b & 2c \\ 3 & b & c \\ 4 & a & b \end{array} \right| = 0$ નું સમાધાન કરે,તો $abc = $

  • A
    $a + b + c$
  • B
    $0$
  • C
    $b^3$
  • D
    $ab + bc$

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Similar Questions

જો $A, B, C$ એ ત્રિકોણના ખૂણાઓ હોય,તો સમીકરણોની સંહતિ $-x + y \cos C + z \cos B = 0$,$x \cos C - y + z \cos A = 0$,$x \cos B + y \cos A - z = 0$ ધરાવે છે

$\begin{vmatrix} b+c & a & a \\ b & c+a & b \\ c & c & a+b \end{vmatrix}$ નું મૂલ્ય શોધો.

જો $\left| {\begin{array}{*{20}{c}}{ - {a^2}}&{ab}&{ac}\\{ab}&{ - {b^2}}&{bc}\\{ac}&{bc}&{ - {c^2}}\end{array}} \right| = K{a^2}{b^2}{c^2}$ હોય,તો $K = $

સમીકરણ $\left| \begin{matrix} x & a & b \\ a & x & a \\ b & b & x \end{matrix} \right| = 0$ ના ઉકેલ(ઓ) છે:

જો $f(x)=\left|\begin{array}{ccc}x-3 & 2x^2-18 & 2x^3-81 \\ x-5 & 2x^2-50 & 4x^3-500 \\ 1 & 2 & 3\end{array}\right|$ હોય,તો $f(1) \cdot f(3)+f(3) \cdot f(5)+f(5) \cdot f(1)$ ની કિંમત શોધો.

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