$\tan^{-1} \left[ \frac{\sqrt{1+x^2} + \sqrt{1-x^2}}{\sqrt{1+x^2} - \sqrt{1-x^2}} \right] = $

  • A
    $\frac{\pi}{4} + \frac{1}{2} \cos^{-1} x^2$
  • B
    $\frac{\pi}{4} + \cos^{-1} x^2$
  • C
    $\frac{\pi}{4} + \frac{1}{2} \cos^{-1} x$
  • D
    $\frac{\pi}{4} - \frac{1}{2} \cos^{-1} x^2$

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Similar Questions

श्रेणी का योग ज्ञात कीजिए: $\tan^{-1} \left( \frac{1}{1 + 1 \times 2} \right) + \tan^{-1} \left( \frac{1}{1 + 2 \times 3} \right) + \dots + \tan^{-1} \left( \frac{1}{1 + n(n + 1)} \right) =$

$2 \tan^{-1}(\cos x) = \tan^{-1}(\csc^2 x)$ है,तो $x = $

यदि $4 \sin ^{-1} x + \cos ^{-1} x = \pi$ है,तो $x = $

$x$ के सापेक्ष $\cos^{-1} \left( \sqrt{\frac{1+x}{2}} \right)$ का अवकल गुणांक क्या है?

$\cos ^{-1}\left(\frac{-1}{2}\right)-2 \sin ^{-1}\left(\frac{1}{2}\right)+3 \cos ^{-1}\left(\frac{-1}{\sqrt{2}}\right)-4 \tan ^{-1}(-1)$ का मान ज्ञात कीजिए।

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