- #1
Shackleford
- 1,656
- 2
Well, apparently, I'm not too clear on a few things.
For #4, what is <[8]> in the group Z18? What does the <> mean around the congruence class? Is my work correct?
http://i111.photobucket.com/albums/n149/camarolt4z28/IMG_20110723_161645.jpg?t=1311456158
http://i111.photobucket.com/albums/n149/camarolt4z28/IMG_20110723_161721.jpg?t=1311456173 For #8, I understand making a closed subset of Z. It appears H = {[0], [1], [3]} is closed under addition in Z4. What exactly is the additive group Z?
http://i111.photobucket.com/albums/n149/camarolt4z28/IMG_20110723_161701.jpg?t=1311456186
http://i111.photobucket.com/albums/n149/camarolt4z28/IMG_20110723_161733.jpg?t=1311456197
For #4, what is <[8]> in the group Z18? What does the <> mean around the congruence class? Is my work correct?
http://i111.photobucket.com/albums/n149/camarolt4z28/IMG_20110723_161645.jpg?t=1311456158
http://i111.photobucket.com/albums/n149/camarolt4z28/IMG_20110723_161721.jpg?t=1311456173 For #8, I understand making a closed subset of Z. It appears H = {[0], [1], [3]} is closed under addition in Z4. What exactly is the additive group Z?
http://i111.photobucket.com/albums/n149/camarolt4z28/IMG_20110723_161701.jpg?t=1311456186
http://i111.photobucket.com/albums/n149/camarolt4z28/IMG_20110723_161733.jpg?t=1311456197
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