\(\mathop \smallint \nolimits_1^2 \frac{1}{{{{\rm{x}}^2} + {\rm{x}}}}{\rm{dx}}\) is equal to?

1
\(\log \frac{3}{4}\)
2
\(\log \frac{4}{3}\)
3
\(\log \frac{1}{3}\)
4
\(\log \frac{2}{3}\)

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