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Results tagged with mathematics-education
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user 132430
For questions in Mathematics Education as a scientific discipline. For more hands-on questions on teaching Mathematics, please use the tag teaching. There is also a Stack Exchange community http://matheducators.stackexchange.com/
2
votes
Examples of common false beliefs in mathematics
Root(s) of a $3^\text{rd}$ degree polynomial over $
\Bbb Q$ are expressible
using radicals with the imaginary $i$. If a root $r$ is real,
by taking only the real part, $r$ is expressible using radical …