2.862   ODE No. 862

\[ y'(x)=\log (y(x)-1) \left (\text {$\_$F1}(x)-\frac {\text {Ei}(-\log (y(x)-1))}{x}\right ) \] Mathematica : cpu = 0.684188 (sec), leaf count = 0


, 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 = 0.193 (sec), leaf count = 27


\[y \relax (x ) = {\mathrm e}^{\RootOf \left (\left (\int \frac {\textit {\_F1} \relax (x )}{x}d x \right ) x +x c_{1}+\Ei \left (1, -\textit {\_Z} \right )\right )}+1\]