11x^2+121x+218 =0
0.01875*G*L= $$\int_{\P1}^{\P2}(\1/P) d\P$$
5*2/2*3
4a=15-3x
2640601.3333
202952.9425
91.66109
8964111.3333
6061156.8353
9861689
9861688
\tg \alpha = \frac{\sen \alpha}{\cos \alpha}.
9x+5/14 - 8x-7/7 = 6/7
log $x_{2}$=3
