1.64 problem 64

Internal problem ID [6626]

Book: First order enumerated odes
Section: section 1
Problem number: 64.
ODE order: 1.
ODE degree: 1.

CAS Maple gives this as type [[_homogeneous, `class C`], _dAlembert]

\[ \boxed {y^{\prime }-\left (\pi +x +7 y\right )^{\frac {7}{2}}=0} \]

Solution by Maple

Time used: 0.047 (sec). Leaf size: 74

dsolve(diff(y(x),x)=(Pi+x+7*y(x))^(7/2),y(x), singsol=all)
 

\[ y \left (x \right ) = -\frac {x}{7}+\operatorname {RootOf}\left (-x +7 \left (\int _{}^{\textit {\_Z}}\frac {1}{7 \pi ^{3} \sqrt {\pi +7 \textit {\_a}}+147 \pi ^{2} \textit {\_a} \sqrt {\pi +7 \textit {\_a}}+1029 \pi \,\textit {\_a}^{2} \sqrt {\pi +7 \textit {\_a}}+2401 \textit {\_a}^{3} \sqrt {\pi +7 \textit {\_a}}+1}d \textit {\_a} \right )+c_{1} \right ) \]

Solution by Mathematica

Time used: 30.501 (sec). Leaf size: 43

DSolve[y'[x]==(Pi+x+7*y[x])^(7/2),y[x],x,IncludeSingularSolutions -> True]
 

\[ \text {Solve}\left [-(7 y(x)+x+\pi ) \left (\operatorname {Hypergeometric2F1}\left (\frac {2}{7},1,\frac {9}{7},-7 (x+7 y(x)+\pi )^{7/2}\right )-1\right )-7 y(x)=c_1,y(x)\right ] \]