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 $\sin \left(\sin ^{-1} \frac{1}{5}+\cos ^{-1} x\right)=1$ હોય,તો $x$ ની કિંમત શોધો.

${\sin ^{ - 1}}\left[ {x\sqrt {1 - x} - \sqrt x \sqrt {1 - {x^2}} } \right] = $

કિંમત શોધો: $\sin^{-1}(12/13) + \cos^{-1}(4/5) + \tan^{-1}(63/16) = $

જો ${\tan ^{ - 1}}x + {\tan ^{ - 1}}y + {\tan ^{ - 1}}z = \pi ,$ હોય તો $\frac{1}{{xy}} + \frac{1}{{yz}} + \frac{1}{{zx}} = $

જો $\sin^{-1} x = \theta + \beta$ અને $\sin^{-1} y = \theta - \beta$ હોય,તો $1 + xy = $

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