જો $\left|\begin{array}{ccc}2 a & x_{1} & y_{1} \\ 2 b & x_{2} & y_{2} \\ 2 c & x_{3} & y_{3}\end{array}\right|=\frac{a b c}{2} \neq 0$ હોય,તો જે ત્રિકોણના શિરોબિંદુઓ $\left(\frac{x_{1}}{a}, \frac{y_{1}}{a}\right), \left(\frac{x_{2}}{b}, \frac{y_{2}}{b}\right), \left(\frac{x_{3}}{c}, \frac{y_{3}}{c}\right)$ હોય તેનું ક્ષેત્રફળ કેટલું થાય?

  • A
    $1/4$
  • B
    $1/8$
  • C
    $1/16$
  • D
    $1/2$

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Similar Questions

સમીકરણ $\left| \begin{array}{ccc} \cos \theta & \sin \theta & \cos \theta \\ -\sin \theta & \cos \theta & \sin \theta \\ -\cos \theta & -\sin \theta & \cos \theta \end{array} \right| = 0$ નો ઉકેલ શું છે?

જો $w = \frac{-1-i \sqrt{3}}{2}$ જ્યાં $i = \sqrt{-1}$ હોય,તો $\left|\begin{array}{ccc}1 & w & w^2 \\ w & w^2 & 1 \\ w^2 & 1 & w\end{array}\right|$ નું મૂલ્ય શોધો.

ધારો કે $A = \begin{bmatrix} 2 & 0 & 3 \\ 4 & 7 & 11 \\ 5 & 4 & 8 \end{bmatrix}$. તો

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

જો $x$ એક ધન પૂર્ણાંક હોય,તો $\Delta = \left| \begin{array}{ccc} x! & (x+1)! & (x+2)! \\ (x+1)! & (x+2)! & (x+3)! \\ (x+2)! & (x+3)! & (x+4)! \end{array} \right|$ ની કિંમત શોધો.

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