engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Integral Calculus Indefinite Integrals
\(\rm \int{dx\over\sqrt{(x+1)(x+2)}}\) =
1
\(\rm \ln|\sqrt{x}+\sqrt{x+1}| +c\)
2
\(\rm 2\ln|\sqrt{x+2}+\sqrt{x+1}| +c\)
3
\(\rm \ln|\sqrt{x+2}+\sqrt{x+1}| +c\)
4
\(\rm 2\ln|\sqrt{x}+\sqrt{x+1}| +c\)