3.2 problem 2

Internal problem ID [11607]

Book: Differential Equations by Shepley L. Ross. Third edition. John Willey. New Delhi. 2004.
Section: Chapter 2, section 2.1 (Exact differential equations and integrating factors). Exercises page 37
Problem number: 2.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_exact, _rational, [_1st_order, `_with_symmetry_[F(x)*G(y),0]`], [_Abel, `2nd type`, `class B`]]

\[ \boxed {y^{2}+\left (2 y x -4\right ) y^{\prime }=-3} \]

Solution by Maple

Time used: 0.016 (sec). Leaf size: 37

dsolve((y(x)^2+3)+(2*x*y(x)-4)*diff(y(x),x)=0,y(x), singsol=all)
 

\[ c_{1} +\frac {1}{\left (i \sqrt {3}-y \left (x \right )\right ) \left (i \left (x y \left (x \right )-4\right ) \sqrt {3}-3 x \right )} = 0 \]

Solution by Mathematica

Time used: 0.615 (sec). Leaf size: 79

DSolve[(y[x]^2+3)+(2*x*y[x]-4)*y'[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\begin{align*} y(x)\to \frac {2-\sqrt {-3 x^2+c_1 x+4}}{x} y(x)\to \frac {2+\sqrt {-3 x^2+c_1 x+4}}{x} y(x)\to -i \sqrt {3} y(x)\to i \sqrt {3} \end{align*}