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TOT 247 1990 Spring A J1 100$ graphs of different quadratic in plane

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March 12, 2021
combinatorial geometrycombinatorics

Problem Statement

Find the maximum number of parts into which the OxyOxy-plane can be divided by 100100 graphs of different quadratic functions of the form y=ax2+bx+cy = ax^2 + bx + c.
(N.B. Vasiliev, Moscow)
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