Example of quadratic extension
68065
Quadratic extensions in characteristic $2$
80295
Field extensions and algebraic/transcendental elements
92677
Infinite algebraic extension of a finite field
19525
Showing field extension $\mathbb{Q}(\sqrt{2}, \sqrt{3}, \sqrt{5})/\mathbb{Q}$ degree 8
91871
Proving quadratic inequalities?
137373
Real Cyclic Extensions of $\mathbb Q$ of given degree
25910
Product of Quadratic Residues
35216
Prove $\mathbb{Q}(\sqrt{2},\sqrt{3},\sqrt{5}):\mathbb{Q}$ is a simple extension
126127
A field extension of prime degree
42774
Examples of involutions on $\mathbb{R}$
151752
Example of a linear operator on some vector space with more than one right inverse.
20444
Derive quadratic formula
6824
Extensions of degree two are Galois Extensions.
36078
Example of a non invertible fractional ideal
103921
Why are quadratic equations called quadratics?
120213
Example $x$, $y$ and $z$ values for $x\uparrow^\alpha y=z$ where $\alpha\in \Bbb R-\Bbb N$
51741
Types of polynomial functions. Quadratic, cubic, quartic, quintic, ...,?