16.6 problem 449

Internal problem ID [3703]

Book: Ordinary differential equations and their solutions. By George Moseley Murphy. 1960
Section: Various 16
Problem number: 449.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_homogeneous, `class C`], _rational, [_Abel, `2nd type`, `class A`]]

\[ \boxed {\left (4+2 x -y\right ) y^{\prime }-2 y=-5-x} \]

Solution by Maple

Time used: 0.266 (sec). Leaf size: 184

dsolve((4+2*x-y(x))*diff(y(x),x)+5+x-2*y(x) = 0,y(x), singsol=all)
 

\[ y \left (x \right ) = 2+\frac {\left (x +1\right ) \left (-c_{1}^{2}-c_{1}^{2} \left (-\frac {\left (27 c_{1} \left (x +1\right )+3 \sqrt {3}\, \sqrt {27 c_{1}^{2} \left (x +1\right )^{2}-1}\right )^{\frac {1}{3}}}{6 c_{1} \left (x +1\right )}-\frac {1}{2 c_{1} \left (x +1\right ) \left (27 c_{1} \left (x +1\right )+3 \sqrt {3}\, \sqrt {27 c_{1}^{2} \left (x +1\right )^{2}-1}\right )^{\frac {1}{3}}}+\frac {i \sqrt {3}\, \left (\frac {\left (27 c_{1} \left (x +1\right )+3 \sqrt {3}\, \sqrt {27 c_{1}^{2} \left (x +1\right )^{2}-1}\right )^{\frac {1}{3}}}{3 c_{1} \left (x +1\right )}-\frac {1}{c_{1} \left (x +1\right ) \left (27 c_{1} \left (x +1\right )+3 \sqrt {3}\, \sqrt {27 c_{1}^{2} \left (x +1\right )^{2}-1}\right )^{\frac {1}{3}}}\right )}{2}\right )\right )}{c_{1}^{2}} \]

Solution by Mathematica

Time used: 60.172 (sec). Leaf size: 1601

DSolve[(4+2 x-y[x])y'[x]+5+x-2 y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

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