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Jul 19, 2019 at 13:52 comment added mathcourse Yes, but why is there a $0$ at the right in this concrete example?
Jul 18, 2019 at 23:41 comment added anon Haven't you answered your own question --- in general, there is no 0 at the right.
Jul 17, 2019 at 8:40 review First posts
Jul 17, 2019 at 9:30
Jul 17, 2019 at 8:38 history asked mathcourse CC BY-SA 4.0