Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Differential Calculus Differentiation of Parametric Functions
What is the derivative of tan-1 x with respect to cot-1 x ?
1
-1
2
1
3
\(\rm \dfrac{1}{x^2+1}\)
4
More than one of the above
5
None of the above