यदि $\tan A = \frac{1}{\sqrt{x(x^2+x+1)}}, \tan B = \frac{\sqrt{x}}{\sqrt{x^2+x+1}}$ और $\tan C = (x^{-3}+x^{-2}+x^{-1})^{\frac{1}{2}}$,जहाँ $0 < A, B, C < \frac{\pi}{2}$,तो $A+B$ का मान क्या होगा?

  • A
    $C$
  • B
    $\pi - C$
  • C
    $2\pi - C$
  • D
    $\frac{\pi}{2} - C$

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