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plot3D log(|90 (x + i y)^4 + 63 (x + i y)^3 - 58 (x + i y)^2 - 40 (x + i y)|)
plot3D log(|90 (x + i y)^4 + 63 (x + i y)^3 - 58 (x + i y)^2 - 40 (x + i y)|)
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