જો $\tan^{-1} (ax) + \tan^{-1} (3x) = \frac{\pi}{4}$, જ્યાં $3ax^2 < 1$, તો $x = \frac{1}{6}$ માટે $a$ ની કિંમત શું છે...

  • A
    $2$
  • B
    $3$
  • C
    $4$
  • D
    $9$

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Similar Questions

જો $\alpha = \cos^{-1}\left(\frac{3}{5}\right)$ અને $\beta = \tan^{-1}\left(\frac{1}{3}\right)$,જ્યાં $0 < \alpha, \beta < \frac{\pi}{2}$,તો $\alpha - \beta$ ની કિંમત શોધો.

વિધેયને તેના સરળ સ્વરૂપમાં લખો: $\tan ^{-1}\left(\frac{1}{\sqrt{x^{2}-1}}\right), |x|>1$

$\begin{aligned} & \text{જો } \cot \left(\cos ^{-1} x\right)=\sec \left\{\tan ^{-1}\left(\frac{a}{\sqrt{b^2-a^2}}\right)\right\} \\ & b>a, \text{ હોય તો } x= \end{aligned}$

$\tan ^{-1} 2 + \tan ^{-1} 3$ નું મૂલ્ય શું છે?

જો $\tan^{-1}x + \tan^{-1}y + \tan^{-1}z = \pi$ હોય,તો $x + y + z$ ની કિંમત શું થાય?

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