Question: Problem 3. i. Show that two distinct reflections and m commute if and only if m 11. ii. Let P be any point. Prove

Problem 3. i. Show that two distinct reflections and m commute if

Problem 3. i. Show that two distinct reflections and m commute if and only if m 11. ii. Let P be any point. Prove that the half-turn about P is given by Hpx = -x + 2P, for all x E. iii. Show that the product of two distinct half-turns is a translation along the line joining their centers.

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