[Mastermander]

เพิ่มให้อีก 3
1. \[
\int\limits_0^1 {\frac{{x^{2009} - 1}}{{\ln x}}} dx
\]
2. \[
\int\limits_{ - \frac{\pi }{2}}^{\frac{\pi }{2}} {\frac{1}{{3 + \sin x}}} dx
\]
3. \[
\int_0^1 {\left( {e - 1} \right)\sqrt {\ln \left( {1 + x\left( {e - 1} \right)} \right)} {\kern 1pt}+e^{x^2} dx}
\]