[代數] 幾題期中考的問題..

看板Math作者 (XD)時間14年前 (2011/11/09 04:16), 編輯推噓2(200)
留言2則, 2人參與, 最新討論串1/2 (看更多)
(1) Prove that a group that has only a finite number of subgroups must be finite. (2) 舉一個無窮乘法循環群的例子 (3) G is group, H is a subgroup of G Prove that the number of all distinct right cosets of H in G is equal to the number of all distinct left cosets of H in C 即使考完了還是不會(炸) 想請問這幾題如何做呢@@ -- -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.41.197.189

11/09 06:18, , 1F
你做了哪些嘗試呢? 試著寫出來你就會進步
11/09 06:18, 1F

11/09 08:09, , 2F
2. 應該蠻容易的阿 生活周遭的那些數系都是阿XD
11/09 08:09, 2F
文章代碼(AID): #1EkOu6HS (Math)
文章代碼(AID): #1EkOu6HS (Math)