defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Differential Calculus Differentiation of Parametric Functions
If \(t = \frac{{{v^2}}}{2}\) then \(\left( { - \frac{{df}}{{dt}}} \right)\) is equal to, (where f is acceleration)
1
f2
2
f3
3
-f3
4
-f2