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Mathematics
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leoli1
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All Questions Answers
Score Newest
answer
15
What's the most elementary way to solve this trigonometric problem?
Jan 2, 2021
answer
10
Is every injective ring homomorphism an automorphism?
Jan 29, 2021
answer
8
Proving the properties of polynomial functions without using calculus
Aug 16, 2021
answer
7
The Diophantine equation $x^5-2y^2=1$
Aug 7, 2021
answer
6
Evaluate $\prod_{p \in \mathbb{P}} \left( 1 + \frac{3p^2}{(p^2 - 1)^2} \right)$ for prime numbers $p$, where $p = 14k \pm 1$ or $p = 18k \pm 1$
Aug 29, 2021
answer
6
$S^{n + m}$ is not homeomorphic to $M \times N$
Jan 8, 2021
answer
5
If for every sequence $(x_n)$, $x_n \to x_0 \implies (f(x_n))$ is a Cauchy sequence, then is $f$ continuous?
Jan 20, 2021
answer
5
Prove that $\angle AEF =90^\circ$ given a square $ABCD$
Feb 8, 2021
answer
5
Prove that $(1+\frac{1}{n})^k < 1+ \frac{k}{n}+\frac{k^2}{n^2}$
Jan 19, 2021
answer
5
Are all rings of integers closed under conjugation?
Apr 6, 2021

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