GNUSupporter 8964民主女神 地下教會's user avatar
GNUSupporter 8964民主女神 地下教會's user avatar
GNUSupporter 8964民主女神 地下教會's user avatar
GNUSupporter 8964民主女神 地下教會
  • Member for 8 years, 3 months
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32 votes
Accepted

Limit of $n$th root of $n$!

24 votes
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Determinant of a particular matrix.

18 votes
Accepted

Determinant of a matrix after changes

16 votes

Without using a calculator, is $\sqrt[8]{8!}$ or $\sqrt[9]{9!}$ greater?

15 votes
Accepted

should I learn measure theory before learning probability?

13 votes

Show that $a+b+c=0$ implies that $32(a^4+b^4+c^4)$ is a perfect square.

13 votes
Accepted

How to draw an intersection of multiple inequalities in Desmos?

10 votes

Help with sum of coefficients please!

10 votes
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A positive sequence must monotonically converges for large enough index.

10 votes
Accepted

Determinants and Adjugates

8 votes

Prove that the product of two continuous functions is continuous

8 votes

This simple algebra question

8 votes
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Rudin's PMA: problem 2.17

8 votes
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Difference between vectors and span

8 votes

Power of a complex number, find $(\sqrt{3} + i)^{99}$

7 votes

Finding coefficient of polynomial?

7 votes
Accepted

Limit of a monotonically increasing sequence and decreasing sequence

6 votes
Accepted

$ \mu(|f|\geq \alpha) = \frac{1}{\alpha} ||f||_1$

6 votes
Accepted

Are the endpoints of the domain of a function counted as critical points?

6 votes
Accepted

If $m$ and $n$ are reversed numbers (like $123$ and $321$) and $m * n = 1446921630$ , find $(m+n)$.

6 votes
Accepted

Show that this polynomial has three different real roots

6 votes

I want to know every single bit there is to understand in this following proof

6 votes

Supplementary Linear Algebra textbook

6 votes

Why can't $y=xe^x$ be solved for $x$?

6 votes
Accepted

Closed form of $\sum_{k=0}^p \binom{k+m-1}{m-1}?$

5 votes
Accepted

Define $R$ as the region in the first quadrant consisting of those points $C$ such that $ABC$ is a acute triangle.Find area of region $R$

5 votes
Accepted

Given $\{x_n\},\ \{y_n\}$ orthonormal sequences in a Hilbert space, prove that $\lim_{n→+∞} ||x_n − y_n|| = 0$

5 votes

Is this a sufficient way to check if a transformation is linear?

5 votes
Accepted

Legendre symbol of $(-2/p)$.

5 votes

$3$ Events addition rule probability problem

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