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Solve this following

Question:

If $f(x)=\sin ^{-1}\left(\frac{2 \times 3^{x}}{1+9^{x}}\right)$, then $f^{\prime}\left(-\frac{1}{2}\right)$ equals :

 

  1. $\sqrt{3} \log _{e} \sqrt{3}$

  2. $-\sqrt{3} \log _{e} 3$

  3. $-\sqrt{3} \log _{e} \sqrt{3}$

  4. $\sqrt{3} \log _{\mathrm{c}} 3$


Correct Option: 1

Solution:

Solution not required

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