1.36 problem 43

Internal problem ID [14080]

Book: INTRODUCTORY DIFFERENTIAL EQUATIONS. Martha L. Abell, James P. Braselton. Fourth edition 2014. ElScAe. 2014
Section: Chapter 1. Introduction to Differential Equations. Exercises 1.1, page 10
Problem number: 43.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [_quadrature]

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

Solution by Maple

Time used: 0.015 (sec). Leaf size: 32

dsolve(diff(y(x),x)=(4-x^2)^(3/2),y(x), singsol=all)
 

\[ y \left (x \right ) = \frac {\left (-x^{3}+10 x \right ) \sqrt {-x^{2}+4}}{4}+c_{1} +6 \arcsin \left (\frac {x}{2}\right ) \]

Solution by Mathematica

Time used: 0.062 (sec). Leaf size: 49

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

\[ y(x)\to -12 \arctan \left (\frac {\sqrt {4-x^2}}{x+2}\right )-\frac {1}{4} x \sqrt {4-x^2} \left (x^2-10\right )+c_1 \]