Mathematics
jack's user avatar
jack's user avatar
jack's user avatar
jack
  • Member for 6 years
  • Last seen more than 3 years ago
Profile Activity
Stats
503
reputation
9k
reached
0
answers
32
questions
Communities
View all
Badges
View all badges
This user doesn’t have any gold badges yet.
2
silver badges
9
bronze badges
Top tags
View all tags
0
Score
11
Posts
34
Posts %
0
Score
7
Posts
22
Posts %
0
Score
7
Posts
22
Posts %
0
Score
6
Posts
19
Posts %
0
Score
6
Posts
19
Posts %
0
Score
4
Posts
12
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
8
Double integral bounds of integration polar change of coordinate
May 29, 2019
question
3
Homework help. Prove $x+2(-1)^x ≥ x-2$ for all $x \in\mathbb Z ^+$
Oct 9, 2017
question
3
Find all real values of a such that $x^2+(a+i)x-5i=0$ has at least one real solution
May 26, 2020
question
2
Summation notation two sums?
Oct 31, 2017
question
2
Show that for each $λ ∈\mathbb Z$ with $λ \geqslant 0$, $λ$ is an eigenvalue of $T$, and $x_λ$ is a corresponding eigenvector
Mar 12, 2018
question
2
Prove that $|R_n|\leq{n}B|a_n||x|$ where $B=\max\limits_{t\in[0,x]}\left|\frac{(x-t)^{n-1}}{1+t}\right|(1+t)^{-1/2}$
Apr 2, 2018
question
1
How to prove non-monotonic sequence
Oct 7, 2017
question
1
Limit of a composite function (homework help)
Nov 27, 2017
question
1
How do I rewrite $\int {dx\over \sqrt x\log x}$ in with $u$-substitution?
Mar 6, 2018
question
1
Radius of convergence power series. (Homework help)
Mar 19, 2018

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.