MATH 546 Midterm: MATH546 South Carolina 546 f04 1

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15 Feb 2019
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Write your answers as legibly as you can on the blank sheets of paper provided. Turn in your solutions in the order: problem 1, problem 2, . ; although, by using enough paper, you can do the problems in any order that suits you. If i know your e-mail address, i will e-mail your grade to you. If i don"t already know your e-mail address and you want me to know it, then send me an e-mail. I will leave your exam outside my o ce tomorrow by about noon, you may pick it up any time between then and the next class. I will post the solutions on my website at about 4:00 pm today: (6 points) de ne group . Use complete sentences: (6 points) de ne centralizer . Prove that ab = ba : (7 points) let g be an abelian group and let h be the subset.