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y′(x)=−8(a−1)(a+1)xa8x6−4a6x6−3a6x4y(x)2−2a6x4+6a4x6+9a4x4y(x)2+6a4x4+3a4x2y(x)4+4a4x2y(x)2−4a2x6−9a2x4y(x)2−6a2x4−6a2x2y(x)4−8a2x2y(x)2−a2y(x)6−2a2y(x)4−8a2+x6+3x4y(x)2+2x4+3x2y(x)4+4x2y(x)2+y(x)6+2y(x)4−8y(x)+8 ✓ Mathematica : cpu = 5.72073 (sec), leaf count = 247
Solve[(a2−1)c1=4RootSum[−#13a6+3#13a4−3#13a2+#13+3#12a4y(x)2+2#12a4−6#12a2y(x)2−4#12a2+3#12y(x)2+2#12−3#1a2y(x)4−4#1a2y(x)2+3#1y(x)4+4#1y(x)2+y(x)6+2y(x)4+8&,log(x2−#1)3#12a4−6#12a2+3#12−6#1a2y(x)2−4#1a2+6#1y(x)2+4#1+3y(x)4+4y(x)2&]a2−1+y(x),y(x)]
✓ Maple : cpu = 4.441 (sec), leaf count = 80
{y(x)(a−1)(a+1)+41a4−2a2+1∑_R=RootOf(_Z3+2_Z2+8)ln(−a2x2+x2+(y(x))2−_R)3_R2+4_R−_C1=0}
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