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(x2+y(x)2)y″(x)−2(xy′(x)−y(x))(y′(x)2+1)=0 ✓ Mathematica : cpu = 0.38786 (sec), leaf count = 95
{{y(x)→12(−4x(ec2−x)+e2c2cot2(c1)−ec2cot(c1))},{y(x)→12(4x(ec2−x)+e2c2cot2(c1)−ec2cot(c1))}} ✓ Maple : cpu = 0.438 (sec), leaf count = 83
{y(x)=12_C2(_C1+1−_C12+(4i_C2x+2)_C1−4_C22x2−4i_C2x+1),y(x)=12_C2(_C1+1+_C12+(4i_C2x+2)_C1−4_C22x2−4i_C2x+1)}
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