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Alfred Chern

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922 reputation
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location Beijing, China
age 22
visits member for 7 months
seen Jan 17 at 14:33
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922 reputation
 bio website visits member for 7 months
4 badges
 location Beijing, China seen Jan 17 at 14:33
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47 Answers

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7
 Please prove: $ \lim_{n\to \infty}\sqrt[n]{\frac{1}{n!}} = 0 $
6
 Does there exist a convergent sequence $\{a_n\}$ such that $n d(a_{n+1},a_n)$ is not bounded?
6
 sum of the series
4
 Prove $\sqrt[3]{60}>2+\sqrt[3]{7}$
4
 Should L'Hopital's Rule be used for this limit?
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922 Reputation

+10 sum of the series
+10 Prove that $\lim_{x \rightarrow 0} \sqrt{9-x} + 3 = 6$
+10 How to show that $1 \over \sqrt{1 - 4x} $ generate $\sum_{n=0}^\infty \binom{2n}{n}x^n $
+10 Solving a mathematical recursion to find explicit function
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homework × 15
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calculus × 2
18
real-analysis × 7
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algebra-precalculus × 9
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limit × 6
5
linear-algebra × 4
13
sequences-and-series × 8
4
generating-functions × 3
8
inequality × 5
4
matrices × 2
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Mathematics Stack Exchange Mathematics 922 rep 4

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