જો $x>0, y>0, z>0, xy+yz+zx < 1$ અને જો $\tan^{-1} x + \tan^{-1} y + \tan^{-1} z = \pi$ હોય,તો $x+y+z$ ની કિંમત શું થાય?

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

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Similar Questions

$\tan \left[ 2\tan^{-1}\left( \frac{1}{5} \right) - \frac{\pi}{4} \right] = $

જો $2 \tan^{-1}(\cos x) = \tan^{-1}(\csc^2 x)$ હોય,તો $x =$

$2 \tan ^{-1}\left(\frac{1}{3}\right)+\tan ^{-1}\left(\frac{1}{7}\right)$ ની કિંમત શોધો.

$\tan \left[2 \tan ^{-1}\left(\frac{1}{5}\right)-\frac{\pi}{4}\right]$ નું મૂલ્ય શોધો.

જો $y = \tan^{-1}(\sec x^3 - \tan x^3)$ અને $\frac{\pi}{2} < x^3 < \frac{3\pi}{2}$ હોય,તો:

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