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Mul Pow Add x0 Mul 0.265802228834080 x0 Add Pow x0 acoth x2 -1 Add Mul Pow x0 acoth x2 1.26580222883408 Mul Mul Add x0 Mul 0.265802228834080 x0 log Add x0 Mul 0.265802228834080 x0 Mul Pow x0 Add acoth x2 -1 acoth x2 