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493;312
Y = 7*866.166666666798-(595.833333333414*7^2)+184.875000000022*7^3-(26.6666666666695*7^4)+1.45833333333347*7^5-421.000000000066
x/(x^2+1)
493;312
Y = 6*466.583333333348-(267.708333333342*6^2)+60.9166666666688*6^3-(4.79166666666684*6^4)-246.000000000009
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