Stack Exchange

Jean-Sébastien

top accounts reputation activity subscriptions
Top Questions
Top Answers
25
Can someone clearly explain about the lim sup and lim inf?
math.stackexchange.com

15
Convert from base $10$ to base $5$
math.stackexchange.com

13
Prove that $p\mid \binom{p}{k},\ 0< k< p$
math.stackexchange.com

13
Picking a time to bet
puzzling.stackexchange.com

12
List of interesting integrals for early calculus students
math.stackexchange.com

12
Finding the period of $f(x) = \sin 2x + \cos 3x$
math.stackexchange.com

11
Properties of the number 50
math.stackexchange.com

10
How many solutions does $\cos(97x)=x$ have?
math.stackexchange.com

9
Probability in flipping a coin
math.stackexchange.com

9
Comparison test for convergence/divergence of $\sum_{k=1}^{\infty} \frac{5\sin^2 k}{k!}$
math.stackexchange.com

9
Are there any open mathematical puzzles?
math.stackexchange.com

8
How many $4$ digit even numbers have all $4$ digits distinct?
math.stackexchange.com

8
How can I find the quadratic formula using calculus?
math.stackexchange.com

7
Could someone explain the concept of a set being "open relative" to another set?
math.stackexchange.com

7
Probability of winning an arbitrary game
math.stackexchange.com

7
Distinguishable/indistinguishable objects and distinguishable/indistinguishable boxes
math.stackexchange.com

7
Prove $|x+1|\leq 4$ implies that $-4\leq x\leq 2$.
math.stackexchange.com

6
Is there a square-filling curve?
math.stackexchange.com

5
What is the gender of $K(\pi,n)$ in French?
math.stackexchange.com

5
Subtraction of inequalities
math.stackexchange.com

5
Proving that $\int_a^b\frac{dx}{\sqrt{(x-a)(b-x)}}=\pi$
math.stackexchange.com

5
Notations that are mnemonic outside of English
math.stackexchange.com