| List-$I$ | List-$II$ |
| $A. \frac{d}{dx}\left(\tan^{-1}\left(\sqrt{\frac{1-\cos x}{1+\cos x}}\right)\right)$ | $(i) \log(x+\sqrt{1+x^2})$ |
| $B. \frac{d}{dx}\left(\frac{3+|x-1|}{3x+4}\right)$ | $(ii) -\frac{4x}{(1+x^2)^2}$ |
| $C. \sinh^{-1} x$ | $(iii) \frac{1}{2}$ |
| $D. \frac{d^2}{dx^2}\left(\cos^{-1}\left(\frac{1-x^2}{1+x^2}\right)\right)$ | $(iv) \frac{1}{\sqrt{1+x^2}}$ |
| $(v) \text{not differentiable at } x=1$ |
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| List-$I$ | List-$II$ |
| $a$. यदि $y=|x|+|x-2|$ है, तो $x=2$ पर $\frac{dy}{dx}=$ | $i$. $2$ |
| $b$. यदि $f(x)=|\cos 2x|$ है, तो $f^{\prime}(\frac{\pi}{4}+)=$ | $ii$. $0$ |
| $c$. यदि $f(x)=\sin(\pi[x])$ है, जहाँ $[\cdot]$ महत्तम पूर्णांक फलन है, तो $f^{\prime}(1-)=$ | $iii$. $-2$ |
| $d$. यदि $f(x)=\log|x-1|, x \neq 1$ है, तो $f^{\prime}(\frac{1}{2})=$ | $iv$. अस्तित्व नहीं है |
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