Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Mathematics Differential Calculus Second Order Derivatives
Find \(\rm \frac {d^2}{dx^2}( \tan^ {-1}x)\)
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
\(\rm \frac{2x}{(1+x^2)^2} \)