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(x (54.7 + 250 x) + 125 cos(0.2 + 2 x) - 125*cos(0.2))*(1-x) for x=0..1
(x (54.7 + 250 x) + 125 cos(0.2 + 2 x) - 125*cos(0.2))*(1-x) for x=0..1
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