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ay(x)+(x2−1)y″(x)+xy′(x)=0 ✓ Mathematica : cpu = 0.0290575 (sec), leaf count = 50
{{y(x)→c2sin(alog(x2−1+x))+c1cos(alog(x2−1+x))}}
✓ Maple : cpu = 0.021 (sec), leaf count = 45
{y(x)=1(_C1((x+x2−1)ia)2+_C2)((x+x2−1)ia)−1}
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