ans1 - Math 312 Assignment#1 Answers Due on 23 September...

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Math 312Assignment #1 AnswersDue on 23 September 2015Solutions should be correct, complete, clear, and neatly presented to get full marks.Questions 1 -7 are mostly short answer questions. Others require full answers.(1) Describe the group of symmetries of a non-square rectangle and a non-square rhombus. Arethe groups isomorphic?
(2) Describe the symmetries of an infinite strip of equally spaced H’s[4]· · · · · ·H H H H· · · · · ·Is the group abelian? Justify!

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