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ddxy(x)=(x+1+x4ln(y(x)))y(x)ln(y(x))x(1+x)=0
Mathematica: cpu = 0.109014 (sec), leaf count = 41 {{y(x)→exp(−12x−12c1+3x4−4x3+6x2−12x+12log(x+1))}}
Maple: cpu = 0.125 (sec), leaf count = 38 {y(x)=e−12x3x4−4x3+6x2+12ln(1+x)−12_C1−12x}
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