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ddxy(x)=1/56x3+5x+5F(y(x)−2/5x3−2x)x=0
Mathematica: cpu = 248.171514 (sec), leaf count = 238 Solve[∫1y(x)−F(K[2]−2x35−2x)∫1x(−6K[1]2F′(−25K[1]3−2K[1]+K[2])5F(−25K[1]3−2K[1]+K[2])2−F′(−25K[1]3−2K[1]+K[2])K[1]F(−25K[1]3−2K[1]+K[2])2)dK[1]+1F(K[2]−2x35−2x)dK[2]+∫1x(6K[1]25F(−25K[1]3−2K[1]+y(x))+1K[1]F(−25K[1]3−2K[1]+y(x))+1K[1])dK[1]=c1,y(x)]
Maple: cpu = 0.156 (sec), leaf count = 33 {∫_by(x)(F(_a−2x35−2x))−1d_a−ln(x)−_C1=0}
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