engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Mathematics Differential Calculus Applications of Derivatives
f(x) = sin x + cos 2x, (x > 0) has minima for x =
1
\(\rm \frac{n\pi}{2}\)
2
\(\rm \frac{3(n+1)\pi}{2}\)
3
\(\rm \frac{(2n+1)\pi}{2}\)
4
nπ