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  • Member for 6 years, 11 months
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46 votes

Can hyperbolic functions be defined in terms of trigonometric functions?

17 votes

I've noticed some relationships with cosine and square root.

11 votes

First 30 solutions of Pell's equation.

10 votes
Accepted

About primes and cyclotomic extensions

10 votes
Accepted

Prove $\log(x)$ is transcendental

10 votes

Quadratic equation of characteristic $2$

9 votes

How to compute 2-adic square roots?

8 votes
Accepted

Rational parametrization of a conic

7 votes

Geometric series convergence in the p-adic numbers

7 votes

The solution of $x^x=2$ rational/algebraic irrational/transcendental?

7 votes

Show that $x^4-x^2+1$ is irreducible over $\mathbb{Q}$

6 votes

Are there $x,y,z \in \mathbb Q \left(\sqrt[3]{2} \exp\left(\frac{2\pi i}{3}\right)\right)$ such that $x^2+y^2+z^2=-1$?

6 votes

The derivative of $\arcsin(x)$ at $x=1$

6 votes

Find a non-constructible algebraic number of degree $4$ over $\Bbb Q$

6 votes
Accepted

What is the motivation behind the Hilbert Symbol?

5 votes
Accepted

Show that two rings of matrices are not isomorphic

5 votes
Accepted

$[F:\mathbb{Q}]$ where $F$ is splitting field over $\mathbb{Q}$ of $f = x^{3} + x^{2} + 1$

5 votes

Two integers with the same sinus

5 votes

Is the field extension $\mathbb{Q}(\sqrt{5 + \sqrt{7}})$ over $\mathbb{Q}$ a Galois extension?

4 votes
Accepted

Prove that $\mathbb{Q}(\sqrt{a}+\sqrt[3]{b}) = \mathbb{Q}(\sqrt{a}, \sqrt[3]{b})$ without Galois theory

4 votes

Help with script computing Galois Groups

4 votes

Finding solutions for expression to be a perfect square

4 votes

How to compute this determinant as quickly as possible (without using any software or calculator)?

4 votes

ideals in $\mathbb{Q}(\sqrt{-5})$ with norm less than $100$?

4 votes

Rational approximations of the golden ratio: how to prove this limit exists?

4 votes

How to prove that $\pi \in \mathbb{R}$?

4 votes
Accepted

Calculate modulo of a large number

4 votes
Accepted

Hurwitz formula

4 votes
Accepted

Galois group of splitting field of $x^3-2$ over $\mathbb F_7$

3 votes

For a polynomial with integer coefficients, is it true that if constant term is prime then it cannot be the root of the polynomial.

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