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−y′(x)2+2y(x)y″(x)−8y(x)3−4y(x)2=0 ✓ Mathematica : cpu = 0.968186 (sec), leaf count = 351
{{y(x)→InverseFunction[−i#14+2c1#1−#11−c12+c1#1+#11−c1F(isinh−1(c121−c1+2#1)|1−c1+11−1−c1)c11+1−c14#12+4#1+c1&][x+c2]},{y(x)→InverseFunction[i#14+2c1#1−#11−c12+c1#1+#11−c1F(isinh−1(c121−c1+2#1)|1−c1+11−1−c1)c11+1−c14#12+4#1+c1&][x+c2]}} ✓ Maple : cpu = 0.182 (sec), leaf count = 61
{∫y(x)14_a3+_a_C1+4_a2d_a−x−_C2=0,∫y(x)−1(4_a2+_C1+4_a)_ad_a−x−_C2=0}
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