y=dsolve('Dy=y/x+lnx','x')
y =
C3*x + lnx*x*log(x)
dsolve('Dy=2*y+x^4*e^x','x')
ans =
exp(2*x)*((24*e^x*exp(-2*x))/(log(e) - 2)^5 + (12*e^x*x^2*exp(-2*x))/(log(e) - 2)^3 - (4*e^x*x^3*exp(-2*x))/(log(e) - 2)^2 + (e^x*x^4*exp(-2*x))/(log(e) - 2) - (24*e^x*x*exp(-2*x))/(log(e) - 2)^4) + C5*exp(2*x)
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