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Ben Millwood's user avatar
Ben Millwood's user avatar
Ben Millwood's user avatar
Ben Millwood
  • Member for 12 years, 1 month
  • Last seen this week
278 votes
Accepted

One question to know if the number is 1, 2 or 3

241 votes
Accepted

Can the golden ratio accurately be expressed in terms of $e$ and $\pi$

62 votes
Accepted

Prove that the product of four consecutive positive integers plus one is a perfect square

50 votes
Accepted

Do $3/8$ (37.5%) of Quadratics Have No $x$-Intercepts?

46 votes
Accepted

Intuition behind the Definition of Conditional Probability (for 2 Events)

43 votes

Why are box topology and product topology different on infinite products of topological spaces?

35 votes

Can we introduce new operations that make quintics solvable?

24 votes

How irrational quantities physically exist in nature?

22 votes
Accepted

Proof that $\mathbb N $ is finite

20 votes

$\lim\limits_{n \to{+}\infty}{\sqrt[n]{n!}}$ is infinite

18 votes
Accepted

$\mathbb{Z}[X]/(X^2-1)$ is not isomorphic with $\mathbb{Z}\times \mathbb{Z}$

18 votes

Defeating Russell's paradox

15 votes

Fundamental group as a functor

14 votes
Accepted

Help with proof that $I = \langle 2 + 2i \rangle$ is not a prime ideal of $Z[i]$

12 votes
Accepted

Find $f$ where $f'(x) = f(1+x)$

11 votes
Accepted

Why is the reciprocal of an $n$-th root of unity its complex conjugate?

10 votes
Accepted

Complex number with 3 dimensions

10 votes

Multiplying using reciprocal, addition and subtraction

10 votes

Does the functor law about preserving identity follow from other laws?

10 votes

Formal proof for $(-1) \times (-1) = 1$

9 votes
Accepted

How to express inequality between variables?

9 votes

Is addition more fundamental than subtraction?

9 votes
Accepted

Number of 4-digit numerals with at most 2 different digits

9 votes

Can product of two singular matrices be invertible?

9 votes
Accepted

Find all increasing idempotent functions on $\mathbb{R}$

9 votes

Why is the following sequence monotonically decreasing?

8 votes
Accepted

What is the value of $\ln \left(e^{2 \pi i}\right)$

8 votes
Accepted

Unit elements in Hurwitz quaternions

8 votes

How many positive integers are factors of a given number?

8 votes

$ (\mathbb{Z} \times \mathbb{Z}) / \langle (a, b ) \rangle$ is isomorphic to $ \mathbb{Z} \times \mathbb{Z} _d $, where $ d = \gcd(a,b)$

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