8.7 problem 212

Internal problem ID [3468]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 8
Problem number: 212.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [`y=_G(x,y')`]

\[ \boxed {x y^{\prime }-\left (y^{2}+1\right ) \left (x^{2}+\arctan \left (y\right )\right )=0} \]

Solution by Maple

Time used: 0.0 (sec). Leaf size: 12

dsolve(x*diff(y(x),x) = (1+y(x)^2)*(x^2+arctan(y(x))),y(x), singsol=all)
 

\[ y \left (x \right ) = \tan \left (c_{1} x +x^{2}\right ) \]

Solution by Mathematica

Time used: 0.315 (sec). Leaf size: 14

DSolve[x y'[x]==(1+y[x]^2)(x^2+ArcTan[y[x]]),y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to \tan (x (x+2 c_1)) \]