Report - Answers: (1989-90 HKMO Heat Events) Created by: Mr ... y = 2 b, then y2 = 2 2b, the equation becomes 16 y2 – 20 y + 4 = 0 4y2 – 5 y + 1 = 0 (4 y – 1)( y – 1) = 0 y = 2 b =

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