\[ y''(x)=-\frac {y(x) \left (b x^2+c x+d\right )}{a (x-1)^2 x^2} \] ✓ Mathematica : cpu = 19.0999 (sec), leaf count = 413606
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✓ Maple : cpu = 0.161 (sec), leaf count = 272
\[ \left \{ y \left ( x \right ) = \left ( x-1 \right ) ^{-{\frac {1}{2} \left ( \sqrt {a-4\,b-4\,c-4\,d}-\sqrt {a} \right ) {\frac {1}{\sqrt {a}}}}} \left ( {\mbox {$_2$F$_1$}(-{\frac {1}{2} \left ( \sqrt {a-4\,b-4\,c-4\,d}-\sqrt {a}-\sqrt {a-4\,d}+\sqrt {a-4\,b} \right ) {\frac {1}{\sqrt {a}}}},{\frac {1}{2} \left ( -\sqrt {a-4\,b-4\,c-4\,d}+\sqrt {a}+\sqrt {a-4\,d}+\sqrt {a-4\,b} \right ) {\frac {1}{\sqrt {a}}}};\,{1 \left ( \sqrt {a-4\,d}+\sqrt {a} \right ) {\frac {1}{\sqrt {a}}}};\,x)}{x}^{{\frac {1}{2} \left ( \sqrt {a-4\,d}+\sqrt {a} \right ) {\frac {1}{\sqrt {a}}}}}{\it \_C1}+{\mbox {$_2$F$_1$}(-{\frac {1}{2} \left ( \sqrt {a-4\,b-4\,c-4\,d}-\sqrt {a}+\sqrt {a-4\,d}+\sqrt {a-4\,b} \right ) {\frac {1}{\sqrt {a}}}},{\frac {1}{2} \left ( -\sqrt {a-4\,b-4\,c-4\,d}+\sqrt {a}-\sqrt {a-4\,d}+\sqrt {a-4\,b} \right ) {\frac {1}{\sqrt {a}}}};\,{1 \left ( \sqrt {a}-\sqrt {a-4\,d} \right ) {\frac {1}{\sqrt {a}}}};\,x)}{x}^{{\frac {1}{2} \left ( \sqrt {a}-\sqrt {a-4\,d} \right ) {\frac {1}{\sqrt {a}}}}}{\it \_C2} \right ) \right \} \]