यदि $x>0, y>0, z>0, xy+yz+zx < 1$ और यदि $\tan^{-1} x + \tan^{-1} y + \tan^{-1} z = \pi$ है, तो $x+y+z$ का मान क्या होगा?

  • A
    $0$
  • B
    $xyz$
  • C
    $3xyz$
  • D
    $\sqrt{xyz}$

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Similar Questions

मान ज्ञात कीजिए: $\cos^{-1}(\cos \frac{4\pi}{3}) + \sin^{-1}(\sin \frac{4\pi}{3}) = \dots$

$\tan ^{-1} \sqrt{3} - \cot ^{-1}(-\sqrt{3}) = $ . . . . . . .

मान ज्ञात कीजिए: $\tan^{-1} \left( \frac{1 - x^2}{2x} \right) + \cos^{-1} \left( \frac{1 - x^2}{1 + x^2} \right)$

$\tan \left[ {\frac{1}{2}{{\sin }^{ - 1}}\left( {\frac{{2a}}{{1 + {a^2}}}} \right) + \frac{1}{2}{{\cos }^{ - 1}}\left( {\frac{{1 - {a^2}}}{{1 + {a^2}}}} \right)} \right] = $

सिद्ध कीजिए कि $\tan ^{-1}\left(\frac{2}{11}\right)+\tan ^{-1}\left(\frac{7}{24}\right)=\tan ^{-1}\left(\frac{1}{2}\right)$

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