જો ${\tan ^{ - 1}}(x - 1) + {\tan ^{ - 1}}x + {\tan ^{ - 1}}(x + 1) = {\tan ^{ - 1}}3x$ હોય,તો $x =$

  • A
    $ \pm \frac{1}{2} $
  • B
    $ 0, \frac{1}{2} $
  • C
    $ 0, - \frac{1}{2} $
  • D
    $ 0, \pm \frac{1}{2} $

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Similar Questions

$x$ ના મૂલ્યોનો ગણ શોધો જેથી $\tan ^{-1}\left(\frac{x}{x-2}\right)-\tan ^{-1}\left(\frac{x}{2 x-1}\right)=\tan ^{-1}\left(\frac{2}{3}\right)$ થાય.

$\sin ^{-1} \frac{4}{5} + 2 \tan ^{-1} \frac{1}{3}$ ની કિંમત શોધો.

જો $\sec^{-1} x = \csc^{-1} y$ હોય,તો $\cos^{-1} \frac{1}{x} + \cos^{-1} \frac{1}{y} = $

${\tan ^{ - 1}}\left( {\frac{x}{y}} \right) - {\tan ^{ - 1}}\left( {\frac{{x - y}}{{x + y}}} \right)$ ની કિંમત શોધો.

જો $\sin ^{-1} x+\sin ^{-1} y+\sin ^{-1} z=\frac{3 \pi}{2}$ હોય,તો $x^{9}+y^{9}+z^{9}-\frac{1}{x^{9} y^{9} z^{9}}$ ની કિંમત કેટલી થાય?

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