2.519   ODE No. 519

  1. Problem in Latex
  2. Mathematica input
  3. Maple input

\[ y'(x)^3-f(x) \left (a y(x)^2+b y(x)+c\right )^2=0 \] Mathematica : cpu = 0.702302 (sec), leaf count = 353

\[\left \{\left \{y(x)\to \text {InverseFunction}\left [\frac {\sqrt [3]{2} (2 \text {$\#$1} a+b) \left (\frac {a (\text {$\#$1} (\text {$\#$1} a+b)+c)}{4 a c-b^2}\right )^{2/3} \, _2F_1\left (\frac {1}{2},\frac {2}{3};\frac {3}{2};\frac {(b+2 a \text {$\#$1})^2}{b^2-4 a c}\right )}{a (\text {$\#$1} (\text {$\#$1} a+b)+c)^{2/3}}\& \right ]\left [\int _1^x\sqrt [3]{f(K[1])}dK[1]+c_1\right ]\right \},\left \{y(x)\to \text {InverseFunction}\left [\frac {\sqrt [3]{2} (2 \text {$\#$1} a+b) \left (\frac {a (\text {$\#$1} (\text {$\#$1} a+b)+c)}{4 a c-b^2}\right )^{2/3} \, _2F_1\left (\frac {1}{2},\frac {2}{3};\frac {3}{2};\frac {(b+2 a \text {$\#$1})^2}{b^2-4 a c}\right )}{a (\text {$\#$1} (\text {$\#$1} a+b)+c)^{2/3}}\& \right ]\left [\int _1^x-\sqrt [3]{-1} \sqrt [3]{f(K[2])}dK[2]+c_1\right ]\right \},\left \{y(x)\to \text {InverseFunction}\left [\frac {\sqrt [3]{2} (2 \text {$\#$1} a+b) \left (\frac {a (\text {$\#$1} (\text {$\#$1} a+b)+c)}{4 a c-b^2}\right )^{2/3} \, _2F_1\left (\frac {1}{2},\frac {2}{3};\frac {3}{2};\frac {(b+2 a \text {$\#$1})^2}{b^2-4 a c}\right )}{a (\text {$\#$1} (\text {$\#$1} a+b)+c)^{2/3}}\& \right ]\left [\int _1^x(-1)^{2/3} \sqrt [3]{f(K[3])}dK[3]+c_1\right ]\right \}\right \}\] Maple : cpu = 0.537 (sec), leaf count = 197

\[\left \{c_{1}+\int _{}^{y \left (x \right )}\frac {1}{\left (\textit {\_a}^{2} a +\textit {\_a} b +c \right )^{\frac {2}{3}}}d \textit {\_a} +\int _{}^{x}-\frac {\left (\left (a y \left (x \right )^{2}+b y \left (x \right )+c \right )^{2} f \left (\textit {\_a} \right )\right )^{\frac {1}{3}}}{\left (a y \left (x \right )^{2}+b y \left (x \right )+c \right )^{\frac {2}{3}}}d \textit {\_a} = 0, c_{1}+\int _{}^{y \left (x \right )}\frac {1}{\left (\textit {\_a}^{2} a +\textit {\_a} b +c \right )^{\frac {2}{3}}}d \textit {\_a} +\int _{}^{x}\frac {\left (\left (a y \left (x \right )^{2}+b y \left (x \right )+c \right )^{2} f \left (\textit {\_a} \right )\right )^{\frac {1}{3}} \left (1+i \sqrt {3}\right )}{2 \left (a y \left (x \right )^{2}+b y \left (x \right )+c \right )^{\frac {2}{3}}}d \textit {\_a} = 0, c_{1}+\int _{}^{y \left (x \right )}\frac {1}{\left (\textit {\_a}^{2} a +\textit {\_a} b +c \right )^{\frac {2}{3}}}d \textit {\_a} +\int _{}^{x}-\frac {\left (\left (a y \left (x \right )^{2}+b y \left (x \right )+c \right )^{2} f \left (\textit {\_a} \right )\right )^{\frac {1}{3}} \left (i \sqrt {3}-1\right )}{2 \left (a y \left (x \right )^{2}+b y \left (x \right )+c \right )^{\frac {2}{3}}}d \textit {\_a} = 0\right \}\]