ધારો કે $0 < \alpha < 1$, $\beta = \frac{1}{3\alpha}$, અને $\tan^{-1}(1 - \alpha) + \tan^{-1}(1 - \beta) = \frac{\pi}{4}$ છે. તો $6(\alpha + \beta)$ ની કિંમત શોધો:

  • A
    $6$
  • B
    $7$
  • C
    $8$
  • D
    $9$

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Similar Questions

$x$ ની સાપેક્ષમાં $\tan^{-1}\left(\frac{\sqrt{1+x^2}-1}{x}\right)$ નું વિકલન શોધો:

$\sin ^{-1}\left(\sin \frac{2 \pi}{3}\right)+\cos ^{-1}\left(\cos \frac{7 \pi}{6}\right)+\tan ^{-1}\left(\tan \frac{3 \pi}{4}\right)$ ની કિંમત શોધો.

$x > 0$ માટે $\tan ^{-1} \frac{1-x}{1+x}=\frac{1}{2} \tan ^{-1} x$ ઉકેલો.

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જો ${x^2} + {y^2} + {z^2} = {r^2}$ હોય,તો ${\tan ^{ - 1}}\left( {\frac{{xy}}{{zr}}} \right) + {\tan ^{ - 1}}\left( {\frac{{yz}}{{xr}}} \right) + {\tan ^{ - 1}}\left( {\frac{{zx}}{{yr}}} \right) = $

સમીકરણ $\tan^{-1}(1 + x) + \tan^{-1}(1 - x) = \frac{\pi}{2}$ નો ઉકેલ શોધો.

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