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x2+4xy′(x)+3y′(x)2−y(x)=0 ✓ Mathematica : cpu = 6.5522 (sec), leaf count = 1211
{Solve[12(tanh−1(1−3x21−9y(x))1−9y(x)+log(−3x2+2x−12y(x)+1)+9tanh−1(−21−9y(x)x+x+9y(x)−9y(x)−41−9y(x)+5x2+3y(x))y(x)1−9y(x)−9y(x)−41−9y(x)+5−9tanh−1(21−9y(x)x+x+9y(x)−9y(x)+41−9y(x)+5x2+3y(x))y(x)1−9y(x)−9y(x)+41−9y(x)+5+tanh−1(3x−121−9y(x))1−9y(x)+2tanh−1(−21−9y(x)x+x+9y(x)−9y(x)−41−9y(x)+5x2+3y(x))−9y(x)−41−9y(x)+5−tanh−1(−21−9y(x)x+x+9y(x)−9y(x)−41−9y(x)+5x2+3y(x))1−9y(x)−9y(x)−41−9y(x)+5+2tanh−1(21−9y(x)x+x+9y(x)−9y(x)+41−9y(x)+5x2+3y(x))−9y(x)+41−9y(x)+5+tanh−1(21−9y(x)x+x+9y(x)−9y(x)+41−9y(x)+5x2+3y(x))1−9y(x)−9y(x)+41−9y(x)+5)=c1,y(x)],Solve[12(tanh−1(1−3x21−9y(x))1−9y(x)+log(−3x2+2x−12y(x)+1)−9tanh−1(−21−9y(x)x+x+9y(x)−9y(x)−41−9y(x)+5x2+3y(x))y(x)1−9y(x)−9y(x)−41−9y(x)+5+9tanh−1(21−9y(x)x+x+9y(x)−9y(x)+41−9y(x)+5x2+3y(x))y(x)1−9y(x)−9y(x)+41−9y(x)+5+tanh−1(3x−121−9y(x))1−9y(x)−2tanh−1(−21−9y(x)x+x+9y(x)−9y(x)−41−9y(x)+5x2+3y(x))−9y(x)−41−9y(x)+5+tanh−1(−21−9y(x)x+x+9y(x)−9y(x)−41−9y(x)+5x2+3y(x))1−9y(x)−9y(x)−41−9y(x)+5−2tanh−1(21−9y(x)x+x+9y(x)−9y(x)+41−9y(x)+5x2+3y(x))−9y(x)+41−9y(x)+5−tanh−1(21−9y(x)x+x+9y(x)−9y(x)+41−9y(x)+5x2+3y(x))1−9y(x)−9y(x)+41−9y(x)+5)=c1,y(x)]} ✓ Maple : cpu = 0.154 (sec), leaf count = 101
{y(x)=−x23,y(x)=−3c12x2−2c13x+312c12,y(x)=−3c12x2+2c13x+312c12,y(x)=c124−c13x6−x24,y(x)=c124+c13x6−x24}
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