2.862   ODE No. 862

y(x)=log(y(x)1)(_F1(x)Ei(log(y(x)1))x)

Mathematica : cpu = 0.494515 (sec), leaf count = 0

DSolve[Derivative[1][y][x] == Log[-1 + y[x]]*(-(ExpIntegralEi[-Log[-1 + y[x]]]/x) + _F1[x]),y[x],x]
 

, could not solve

DSolve[Derivative[1][y][x] == Log[-1 + y[x]]*(-(ExpIntegralEi[-Log[-1 + y[x]]]/x) + _F1[x]), y[x], x]

Maple : cpu = 0.164 (sec), leaf count = 27

dsolve(diff(y(x),x) = -(1/x*Ei(1,-ln(-1+y(x)))-_F1(x))*ln(-1+y(x)),y(x))
 
y(x)=eRootOf((_F1(x)xdx)x+xc1+Ei1(_Z))+1