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I'm reading Vinberg's "a course in algebra" to have a basic understanding. I wonder if there is an errata for the book?

For example, Example 1.52 on page 23 talks about "$x^2+x+1=0$" , however I suspect it shall be "$x^2+x-1=0$" .

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  • $\begingroup$ Yes, it's definitely a typo, your suspicion is correct. $\endgroup$
    – b00n heT
    May 14, 2014 at 14:18

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