List-I contains the function and List-II contains their derivatives at \( x=0 \)
\begin{tabular}....
List-I contains the function and List-II contains their derivatives at \( x=0 \)
\( \mathrm{P} \)
W
\begin{tabular}{|l|l|l|l|}
\hline \multicolumn{2}{|c|}{ List-I } & \multicolumn{2}{c|}{ List-II } \\
\hline (A) & \( f(x)=\cos ^{-1}\left(\frac{2 x}{1+x^{2}}\right) \) & (P) & 2 \\
\hline (B) & \( g(x)=\cos ^{-1}\left(2 x^{2}-1\right) \) & (Q) & 3 \\
\hline (C) & \( h(x)=\sin ^{-1}\left(\frac{1-x^{2}}{1+x^{2}}\right) \) & (R) & -2 \\
\hline (D) & \( k(x)=\tan ^{-1}\left[\frac{3 x-x^{3}}{1-3 x^{2}}\right] \) & (S) & Non-existant \\
\hline
\end{tabular}
\begin{tabular}{lllll}
& A & B & C & D \\
(1) & P & Q & R & S \\
(2) & R & S & S & Q \\
\( (3) \) & P & S & S & R \\
(4) & R & S & P & Q
\end{tabular}
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