$\tan^{-1}4x + \tan^{-1}6x = \frac{\pi}{6}$ के हलों की संख्या ज्ञात कीजिए, जहाँ $-\frac{1}{2\sqrt{6}} < x < \frac{1}{2\sqrt{6}}$ है।

  • A
    $3$
  • B
    $0$
  • C
    $1$
  • D
    $2$

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Similar Questions

यदि $x$ एक गैर-धनात्मक स्वीकार्य मान लेता है,तो $\sin^{-1} x =$

$\frac{d}{dx} \left( \cos^{-1} \sqrt{\frac{1 + \cos x}{2}} \right) = $

$x$ के लिए हल करें: $\tan^{-1}\left(\frac{1-x}{1+x}\right) = \frac{1}{2} \tan^{-1} x$,जहाँ $x > 0$.

यदि $0 < x < 1$ है,तो $\sqrt{1 + x^2} [\{x \cos (\cot^{-1} x) + \sin (\cot^{-1} x)\} ^2 - 1]^{\frac{1}{2}} =$ क्या होगा?

यदि $(\cos ^{-1} x)^2-(\sin ^{-1} x)^2 > 0$ है,तो

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