$\tan \left[ {\frac{1}{2}{{\sin }^{ - 1}}\left( {\frac{{2a}}{{1 + {a^2}}}} \right) + \frac{1}{2}{{\cos }^{ - 1}}\left( {\frac{{1 - {a^2}}}{{1 + {a^2}}}} \right)} \right] = $

  • A
    $\frac{{2a}}{{1 + {a^2}}}$
  • B
    $\frac{{1 - {a^2}}}{{1 + {a^2}}}$
  • C
    $\frac{{2a}}{{1 - {a^2}}}$
  • D
    આમાંથી કોઈ નહીં

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જો $y = \tan^{-1} \frac{x}{1+2x^2} + \tan^{-1} \frac{x}{1+6x^2} + \tan^{-1} \frac{x}{1+12x^2}$ હોય,તો $\left(\frac{dy}{dx}\right)_{x=\frac{1}{2}} = $

જો $\sin^{-1} x + \sin^{-1} y + \sin^{-1} z = \frac{3\pi}{2}$ હોય,તો $x^{100} + y^{100} + z^{100} - \frac{9}{x^{101} + y^{101} + z^{101}}$ ની કિંમત શોધો.

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વિકલન શોધો: $\frac{d}{dx} \cos^{-1} \left( \frac{x - x^{-1}}{x + x^{-1}} \right)$

જો $3 \cos ^{-1} x + \sin ^{-1} x = \pi$ હોય,તો $x = $ . . . . . . .

જો $\cos ^{-1}\left(\frac{12}{13}\right)+\sin ^{-1}\left(\frac{3}{5}\right)=\sin ^{-1} P$ હોય,તો $P$ નું મૂલ્ય શોધો.

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