A dump of our free Chat sessions, in case it is useful. It excludes white boards used during paid sessions.
tutorsd6 : Please, share your Math problem... student : I had a question about fields. I have to show that Z12 is not a field, but I'm not sure why. student : I was wondering why Z12 is not a field. I know it has to do with the multiplicative inverse, but I don't really understand it.
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