Evaluate \(\rm \int_1^2 {(x-3)\over x^2+4x}\) dx
1
\({7\over4}\)ln \(6\over5\) + \(3\over4\)ln 2
2
\(7\over4\)ln 6 - \(3\over4\)ln 5 + \(3\over4\)ln 2
3
\(7\over4\)ln 6 + \(7\over4\)ln 5 + \(3\over4\)ln 2
4
\({7\over4}\)ln \(6\over5\) - \(3\over4\)ln 2