જો $f(x) = 2 \tan^{-1} x + \sin^{-1} \left( \frac{2x}{1 + x^2} \right)$,જ્યાં $x > 1$,તો $f(5)$ ની કિંમત શોધો:

  • A
    $ \tan^{-1} \left( \frac{65}{156} \right) $
  • B
    $ \frac{\pi}{2} $
  • C
    $ \pi $
  • D
    $ 4 \tan^{-1}(5) $

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Similar Questions

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

$\begin{aligned} & 2 \sin ^{-1} x+\sin ^{-1}\left(2 x \sqrt{1-x^2}\right)+3 \cos ^{-1} x \\ & -\cos ^{-1}\left(4 x^3-3 x\right) \text{ની કિંમત શોધો. }\end{aligned}$

જો $0 < x < 1$ હોય,તો $\sqrt{1+x^2} [\{x \cos (\cot ^{-1} x)+\sin (\cot ^{-1} x)\}^2-1]^{\frac{1}{2}}$ ની કિંમત શોધો.

જો $3 \sin ^{-1}\left(\frac{2 x}{1+x^2}\right)-4 \cos ^{-1}\left(\frac{1-x^2}{1+x^2}\right)+2 \tan ^{-1}\left(\frac{2 x}{1-x^2}\right)=\frac{\pi}{3}$ હોય,તો $x$ ની કિંમત શોધો.

$\cot \left(\sum_{n=1}^{50} \tan ^{-1}\left(\frac{1}{1+n+n^2}\right)\right) = $

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