Mathematics
PinkyWay's user avatar
PinkyWay's user avatar
PinkyWay's user avatar
PinkyWay
  • Member for 4 years, 2 months
  • Last seen this week
  • Imagination
Profile Activity
Stats
4,545
reputation
78k
reached
115
answers
292
questions
top 6% overall
Communities
View all
About

I like to eat chocolate truffles$\boldsymbol{\color{red}{\heartsuit}}$.

Badges
View all badges
4
gold badges
13
silver badges
45
bronze badges
Top tags
View all tags
16
Score
62
Posts
15
Posts %
12
Score
134
Posts
33
Posts %
11
Score
63
Posts
15
Posts %
8
Score
61
Posts
15
Posts %
6
Score
119
Posts
29
Posts %
4
Score
32
Posts
8
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
18
Removal of an arbitrary point of the boundary of a closed and connected $A\subseteq\Bbb R^2$ so the new set remains connected
Jan 2, 2022
question
12
Without calculating the square roots, determine which of the numbers:$a=\sqrt{7}+\sqrt{10}\;\;,\;\; b=\sqrt{3}+\sqrt{19}$ is greater.
Dec 10, 2019
question
11
Finding the smallest $\alpha>0$ for which $\exists\beta(\alpha)>0$ so that $\sqrt{1+x}+\sqrt{1-x}\le 2-\frac{x^\alpha}\beta,\forall x\in[0,1]$.
Mar 15, 2021
question
10
Prove: Three tangents to a parabola form a triangle with an orthocenter on the directrix and a circumcircle passing through the focus
Jun 1, 2020
question
9
Solution verification:$\lim_{x\to 2}\frac{\ln(x-1)}{3^{x-2}-5^{-x+2}}$
Jan 19, 2020
question
7
Finding $\lim_{n\to\infty}{\frac{n}{a^{n+1}}\left(a+\frac{a^2}{2}+\frac{a^3}{3}+\cdots+\frac{a^n}{n}\right)}$ where $a>1$
Nov 28, 2019
question
6
Languages, students, interpretation of $AA^{\tau}\;\&\;A^{\tau}A$
Jan 11, 2020
question
5
$2n$ people around the table, ways to place exactly $r$ out of $n$ men next to their wives given that $n$ women are already sitting at the table
Nov 8, 2021
question
5
Proof by induction:$\frac{3}{5}\cdot\frac{7}{9}\cdot\frac{11}{13}\cdots\frac{4n-1}{4n+1}<\sqrt{\frac{3}{4n+3}}$
Feb 7, 2020
question
5
Proving $\lim_{n\to\infty}f_n(x)$ doesn't exist for any $x\in[0,1],$ where $(f_n)_{n\in\Bbb N}$ is the Typewriter sequence
May 20
Top network posts
View all network posts
20
Matrix in Latex

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.