deletions | additions       diff --git a/untitled.tex b/untitled.tex  index 798157a..f6075e1 100644  --- a/untitled.tex  +++ b/untitled.tex 
...
\hline   \int_0^\pi cos(x)dx =0 & \int_0^\pi xsin(x)dx = \pi \\  \int_0^\pi x^2 dx =\pi^3/3 & \int_0^\pi 2x^2dx = 2\pi^3/3 \\  \int_0^\pi x^2 + 4x + 2 dx = \frac{\pi}{3}(6+6\pi+\pi^2) & \int_0^\pi 2x^2 + 4x dx = \frac{2\pi}{3}(6+\pi^2) \\  \hline   \end{array}  \end{equation}