2 3 d d d - 6*---(y(x)) - 6*y(x) + 11*--(y(x)) + ---(y(x)) = 0 2 dx 3 dx dx
-6*y + 11*y' - 6*y'' + y''' = 0
/ x 2*x\ x y(x) = \C1 + C2*e + C3*e /*e