Skip to main content
Mathematics
Lelouch's user avatar
Lelouch's user avatar
Lelouch's user avatar
Lelouch
  • Member for 2 years, 8 months
  • Last seen this week
Profile Activity
Stats
1,928
reputation
23k
reached
88
answers
2
questions
Communities
View all
Badges
View all badges
This user doesn’t have any gold badges yet.
3
silver badges
8
bronze badges
Top tags
View all tags
34
Score
18
Posts
20
Posts %
32
Score
25
Posts
28
Posts %
29
Score
19
Posts
21
Posts %
26
Score
16
Posts
18
Posts %
18
Score
14
Posts
16
Posts %
8
Score
9
Posts
10
Posts %
Top posts
View all questions and answers
10
Why is $\cos(\alpha+\beta) = \cos(\alpha)\cos(\beta)−\sin(\alpha)\sin(\beta)$?
Dec 15, 2021
7
Does $\sum\limits_{n = 1}^{\infty} \frac{3^n + 4^n}{2^n + 5^n}$ converge?
Dec 22, 2022
5
Limit of $u_{n}=\frac{1}{n !} \sum_{k=0}^{n} k !$ [duplicate]
Aug 19, 2022
5
Proving a function is continuous using rigorous definition of a limit
Sep 9, 2022
5
How can I find the formula of a (square root?) function when given the first term of a succession and its n+1 term?
Aug 27, 2022
5
Why do we calculate variance if standard deviation serves the ends well?
Jan 27, 2022
4
Limit with Arithmetico-geometric sequence
Oct 3, 2022
4
Determinant of a flipped or rotated matrix
Sep 2, 2022
4
Difficult limit question involving Euler's number and L'Hospital
Aug 27, 2022
3
Is it practical to find actual very large prime numbers (such as those up to 100 digits)?
Jan 12, 2022