2.419 problem 995

Internal problem ID [8575]

Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 1, Additional non-linear first order
Problem number: 995.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_1st_order, _with_symmetry_[F(x),G(x)]], _Riccati]

Solve \begin {gather*} \boxed {y^{\prime }-\left (y-{\mathrm e}^{x}\right )^{2}-{\mathrm e}^{x}=0} \end {gather*}

Solution by Maple

Time used: 0.0 (sec). Leaf size: 14

dsolve(diff(y(x),x) = (y(x)-exp(x))^2+exp(x),y(x), singsol=all)
 

\[ y \relax (x ) = {\mathrm e}^{x}+\frac {1}{c_{1}-x} \]

Solution by Mathematica

Time used: 0.273 (sec). Leaf size: 24

DSolve[y'[x] == E^x + (-E^x + y[x])^2,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to e^x+\frac {1}{-x+c_1} \\ y(x)\to e^x \\ \end{align*}