Integrate[Power[x,3],x]
$\frac{5}{x}$ - $\frac{3}{x-2}$ =0
$\frac{5}{5}$
20=4.(1,2)^x
2a+2b+18+10
xy"-y'+2y=0, resolva pelo método de frobenius
\frac{1}{3x-2}\ find inverse
182/2.5
y=4x+5