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tangent twice at y = x^4-x^2 + x (I Soros Olympiad 1994-95 R1 11.7)

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August 1, 2021
analysisalgebraTangent Line

Problem Statement

Write the equation of the line tangent to the graph of the function y=x4āˆ’x2+xy = x^4-x^2 + x to at least at two points.