4.21.26 \(f(x) (y(x)-a)^2 (y(x)-b)^2+y'(x)^3=0\)

ODE
\[ f(x) (y(x)-a)^2 (y(x)-b)^2+y'(x)^3=0 \] ODE Classification

[[_1st_order, `_with_symmetry_[F(x),G(x)*y+H(x)]`]]

Book solution method
Binomial equation \((y')^m + F(x) G(y)=0\)

Mathematica
cpu = 0.892397 (sec), leaf count = 274

\[\left \{\left \{y(x)\to \text {InverseFunction}\left [-\frac {3 \sqrt [3]{a-\text {$\#$1}} \left (\frac {\text {$\#$1}-b}{a-b}\right )^{2/3} \, _2F_1\left (\frac {1}{3},\frac {2}{3};\frac {4}{3};\frac {a-\text {$\#$1}}{a-b}\right )}{(b-\text {$\#$1})^{2/3}}\& \right ]\left [\int _1^x -\sqrt [3]{f(K[1])} \, dK[1]+c_1\right ]\right \},\left \{y(x)\to \text {InverseFunction}\left [-\frac {3 \sqrt [3]{a-\text {$\#$1}} \left (\frac {\text {$\#$1}-b}{a-b}\right )^{2/3} \, _2F_1\left (\frac {1}{3},\frac {2}{3};\frac {4}{3};\frac {a-\text {$\#$1}}{a-b}\right )}{(b-\text {$\#$1})^{2/3}}\& \right ]\left [\int _1^x \sqrt [3]{-1} \sqrt [3]{f(K[2])} \, dK[2]+c_1\right ]\right \},\left \{y(x)\to \text {InverseFunction}\left [-\frac {3 \sqrt [3]{a-\text {$\#$1}} \left (\frac {\text {$\#$1}-b}{a-b}\right )^{2/3} \, _2F_1\left (\frac {1}{3},\frac {2}{3};\frac {4}{3};\frac {a-\text {$\#$1}}{a-b}\right )}{(b-\text {$\#$1})^{2/3}}\& \right ]\left [\int _1^x -(-1)^{2/3} \sqrt [3]{f(K[3])} \, dK[3]+c_1\right ]\right \}\right \}\]

Maple
cpu = 0.495 (sec), leaf count = 212

\[ \left \{ \int ^{y \left ( x \right ) }\! \left ( \left ( -{\it \_a}+a \right ) \left ( -{\it \_a}+b \right ) \right ) ^{-{\frac {2}{3}}}{d{\it \_a}}+\int ^{x}\!-{1\sqrt [3]{-f \left ( {\it \_a} \right ) \left ( a-y \left ( x \right ) \right ) ^{2} \left ( b-y \left ( x \right ) \right ) ^{2}} \left ( \left ( a-y \left ( x \right ) \right ) \left ( b-y \left ( x \right ) \right ) \right ) ^{-{\frac {2}{3}}}}{d{\it \_a}}+{\it \_C1}=0,\int ^{y \left ( x \right ) }\! \left ( \left ( -{\it \_a}+a \right ) \left ( -{\it \_a}+b \right ) \right ) ^{-{\frac {2}{3}}}{d{\it \_a}}+\int ^{x}\!-{\frac {i\sqrt {3}-1}{2}\sqrt [3]{-f \left ( {\it \_a} \right ) \left ( a-y \left ( x \right ) \right ) ^{2} \left ( b-y \left ( x \right ) \right ) ^{2}} \left ( \left ( a-y \left ( x \right ) \right ) \left ( b-y \left ( x \right ) \right ) \right ) ^{-{\frac {2}{3}}}}{d{\it \_a}}+{\it \_C1}=0,\int ^{y \left ( x \right ) }\! \left ( \left ( -{\it \_a}+a \right ) \left ( -{\it \_a}+b \right ) \right ) ^{-{\frac {2}{3}}}{d{\it \_a}}+\int ^{x}\!{\frac {i\sqrt {3}+1}{2}\sqrt [3]{-f \left ( {\it \_a} \right ) \left ( a-y \left ( x \right ) \right ) ^{2} \left ( b-y \left ( x \right ) \right ) ^{2}} \left ( \left ( a-y \left ( x \right ) \right ) \left ( b-y \left ( x \right ) \right ) \right ) ^{-{\frac {2}{3}}}}{d{\it \_a}}+{\it \_C1}=0 \right \} \] Mathematica raw input

DSolve[f[x]*(-a + y[x])^2*(-b + y[x])^2 + y'[x]^3 == 0,y[x],x]

Mathematica raw output

{{y[x] -> InverseFunction[(-3*Hypergeometric2F1[1/3, 2/3, 4/3, (a - #1)/(a - b)]
*(a - #1)^(1/3)*((-b + #1)/(a - b))^(2/3))/(b - #1)^(2/3) & ][C[1] + Integrate[-
f[K[1]]^(1/3), {K[1], 1, x}]]}, {y[x] -> InverseFunction[(-3*Hypergeometric2F1[1
/3, 2/3, 4/3, (a - #1)/(a - b)]*(a - #1)^(1/3)*((-b + #1)/(a - b))^(2/3))/(b - #
1)^(2/3) & ][C[1] + Integrate[(-1)^(1/3)*f[K[2]]^(1/3), {K[2], 1, x}]]}, {y[x] -
> InverseFunction[(-3*Hypergeometric2F1[1/3, 2/3, 4/3, (a - #1)/(a - b)]*(a - #1
)^(1/3)*((-b + #1)/(a - b))^(2/3))/(b - #1)^(2/3) & ][C[1] + Integrate[-((-1)^(2
/3)*f[K[3]]^(1/3)), {K[3], 1, x}]]}}

Maple raw input

dsolve(diff(y(x),x)^3+f(x)*(y(x)-a)^2*(y(x)-b)^2 = 0, y(x),'implicit')

Maple raw output

Intat(1/((-_a+a)*(-_a+b))^(2/3),_a = y(x))+Intat(-(-f(_a)*(a-y(x))^2*(b-y(x))^2)
^(1/3)/((a-y(x))*(b-y(x)))^(2/3),_a = x)+_C1 = 0, Intat(1/((-_a+a)*(-_a+b))^(2/3
),_a = y(x))+Intat(1/2*(-f(_a)*(a-y(x))^2*(b-y(x))^2)^(1/3)*(I*3^(1/2)+1)/((a-y(
x))*(b-y(x)))^(2/3),_a = x)+_C1 = 0, Intat(1/((-_a+a)*(-_a+b))^(2/3),_a = y(x))+
Intat(-1/2*(-f(_a)*(a-y(x))^2*(b-y(x))^2)^(1/3)*(I*3^(1/2)-1)/((a-y(x))*(b-y(x))
)^(2/3),_a = x)+_C1 = 0