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Alex

Apparently, this user prefers to keep an air of mystery about them.

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180 Too old to start math Nov 14 '12
52 Video lectures on Real Analysis? Feb 24 '13
33 How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$? Jul 20 '13
14 What does the value of a probability density function (PDF) at some x indicate? Oct 10 '12
14 How to determine equation for $\sum_{k=1}^n k^3$ Mar 5 '13
13 Expectation on 1/X Dec 1 '12
10 $\sin 4x +\sqrt{3} \sin 3 x + \sin 2 x=0$ Dec 20 '14
10 What is an intuitive approach to solving $\lim_{n\rightarrow\infty}\biggl(\frac{1}{n^2} + \frac{2}{n^2} + \frac{3}{n^2}+\dots+\frac{n}{n^2}\biggr)$? Jul 27 '17
9 Flip a fair coin until three consecutive heads or tails appear Oct 7 '12
9 How do I find the cumulative distribution function of a binomial random variable? Nov 6 '12
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