defence exam SSB Head Constable (Communication) 2023 Mock Test Mathematics Integral Calculus Indefinite Integrals
\(\int {x\,{{\sec }^2}} x\,dx = \)
1
tan x + log cos x + c
2
\(\frac{{{x^2}}}{2}\) sec2 x log cos x + c
3
x tan + log sec x + c
4
x tan x + log cos x + c