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CoolKid

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

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7 Why does the Mean Value Theorem require a closed interval for continuity and an open interval for differentiability? Jun 11 '17
6 How do we prove $|\cos x-\cos y|\le|x-y|$ for all $x,y\in\mathbb{R}$? Jun 10 '17
6 How to find $\lim\limits_{x\to 2}f(x)$ if $\lim\limits_{x\to 2}\frac{f(x)-5}{x-2}=100$? Apr 21 '16
5 How to prove that every real number is the limit of a convergent sequence of rational numbers? May 7 '17
5 How to evaluate $\lim\limits_{x\to 0}\frac{e^{\arctan{(x)}}-xe^{\pi x}-1}{(\ln{(1+x)})^2}$? Apr 20 '16
4 How to compute $\int \frac{1}{(x^2+1)^2}dx$? Apr 19 '16
4 How to prove $\lim\limits_{x\to \infty}3x=\infty$? Apr 18 '16
4 How to find $W^{\perp}$ in the following polynomial inner product space? Apr 10 '16
4 How to prove $\log_23$ is irrational? Mar 4 '16
4 How to list all possible dimension of $\ker{T},\ker{T^2},…,\ker{T^{k-1}}$ and the corresponding canonical forms? Mar 24 '16
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