CUET and UG exam CUET UG 2025 Mock Test Series Mathematics Differential Calculus Second Order Derivatives
\(\rm \frac {d^2 \cot^ {-1}x}{dx^2}\) ज्ञात कीजिए।
1
\(\rm \frac{-2x}{(1+x^2)^2} \)
2
\(\rm \frac{-2}{(1+x^2)^2} \)
3
\(\rm \frac{-1}{(1+x^2)^2} \)
4
\(\rm \frac{2x}{(1+x^2)^2} \)