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x^3;x^2+x-1
(x^4-1)^(1/4)*(1/(x+1)-(3*e^tan(3*x)))
11/y = 9/27
3;4;5;8;0;0
(x^4-1)^(1/4)*(1/x-(3*e^tan(3*x))+1)
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