यदि $\cot x \cot y = a$ और $x+y = \frac{\pi}{6}$ है,तो $\cot x$ और $\cot y$ के मूलों वाला द्विघात समीकरण क्या है?

  • A
    $t^2+(1-a) \sqrt{3} t+a=0$
  • B
    $\sqrt{3} t^2+(1-a) t+a \sqrt{3}=0$
  • C
    $\sqrt{3} t^2+(a-1) t+a \sqrt{3}=0$
  • D
    $t^2+(a-1) \sqrt{3} t+a=0$

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