Question

Solve the following

Answer 1

\(\int_{}^{}\frac{dx}{\sqrt{x^2+4x+3}}\)

Answer 2

Let, \ \[:. I=\int\limits \frac{ dx }{\sqrt((x+2)^{2}-1)}.\] \[=\ln|(x+2)+\sqrt((x+2)^{2}-1)|+C,\] \[=\ln |(x+2)+\sqrt(x ^{2}+4x+3)|+C.\]