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May
16
awarded  Notable Question
May
4
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Feb
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Jan
7
accepted Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?
Jan
7
revised Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?
corrected some math
Jan
7
comment Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?
I can see now, that $\sqrt{x^2 +1}$ has no Root in in $\mathbb{Z}_{/3}[x]$ ..(in fact it might be a complex root) I made a mistake in my equation. There is no root and thats why it is irreducible? right?
Jan
7
revised Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?
corrected some math
Jan
7
asked Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?
Dec
10
comment Find all solutions for a system of linear equations over a given field
oh allright.. and so the solution set consits of seven different solutions/vectors like: $$\left(\begin{array}{c} 5-3\cdot 1 \\ 2-3\cdot 1 \\ 1 \end{array}\right) = \left(\begin{array}{c} 2 \\ 6 \\ 1 \end{array}\right)$$ right?
Dec
10
accepted Find all solutions for a system of linear equations over a given field
Dec
10
comment Find all solutions for a system of linear equations over a given field
I am definitly sure, my determinants are incorrect. :/
Dec
10
revised Find all solutions for a system of linear equations over a given field
improving language