L. F.

less info

network profile

3,601 reputation

2825

bio	website
	location	Paris, France
	age
visits	member for	4 months
	seen	1 hour ago
stats	profile views	284

summary answers questions tags badges favorites bounties reputation activity

56 Answers

votes activity newest

64	Is $2^{218!} +1$ prime?
20	Show that $\displaystyle\lim_{n\to\infty} nx^n=0$ for $x\in[0,1)$.
18	Computing limit $\frac{1}{2} +\frac{ 2}{4} + \frac{3}{8}+ \frac{4}{16} +\frac{ 5}{32} + \dots$
14	Prove that $3^{2^{k}} - 1$ is divisible by $2^{k+2}$?
13	Integrating $\int^0_\pi \frac{x \sin x}{1+\cos^2 x}$

view more

3,601 Reputation

+10	Finding $\int^1_0 \frac{\log(1+x)}{x}dx$ without series expansion
+10	Function of $ \sqrt{2+\sqrt{2+\sqrt{2+}}}\ldots $
+10	Is $2^{218!} +1$ prime?
+10	Show $x\sqrt{n} - n \ln\left(1+\frac{x}{\sqrt{n}}\right) \to \frac{x^2}{2}$

view more

0 Questions

votes activity newest

This user has not asked any questions

37 Tags

116 homework × 9	55 definite-integral × 9
109 calculus × 21	48 sequences-and-series × 11
95 elementary-number-theory × 6	45 integral × 11
75 real-analysis × 13	45 limit × 10
64 prime-numbers	20 number-theory × 3

view more

1 Account

$Mathematics Stack Exchange$

Mathematics

3,601 rep

2825

21 Badges

recent class name

Caucus	Good Answer
Electorate	Nice Answer × 12
Fanatic	Enlightened × 4
calculus	Civic Duty
Guru	Disciplined

view more

0 Active bounties

active offered earned

This user has no active bounties

706 Votes Cast

all time			by type			month
672	up		628	question		32
34	down		78	answer		32

Technology			Life / Arts	Culture / Recreation	Science	Other
Stack Overflow Server Fault Super User Web Applications Ask Ubuntu Webmasters Game Development TeX - LaTeX	Programmers Unix & Linux Ask Different (Apple) WordPress Answers Geographic Information Systems Electrical Engineering Android Enthusiasts IT Security	Database Administrators Drupal Answers SharePoint User Experience Mathematica more (14)	Photography Science Fiction & Fantasy Seasoned Advice (cooking) Home Improvement more (13)	English Language & Usage Skeptics Mi Yodeya (Judaism) Travel Arqade (gaming) Bicycles Role-playing Games more (22)	Mathematics Cross Validated (stats) Theoretical Computer Science Physics more (7)	Stack Apps Meta Stack Overflow Area 51 Stack Overflow Careers

site design / logo © 2013 stack exchange inc; user contributions licensed under cc-wiki with attribution required

rev 2013.5.22.696