# Eric

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bio website sites.google.com/site/… location Canada age member for 2 years, 4 months seen 1 hour ago profile views 5,953

I an interested in Number Theory, Analysis and Additive Combinatorics. My papers can be found here, or you can visit my website for more information.

# 533 Answers

 91 Direct Proof that $1 + 3 + 5 + \cdots+ (2n - 1) = n\cdot n$ 79 $\int_{-\infty}^{+\infty} e^{-x^2} dx$ with complex analysis 78 100 Soldiers riddle 71 What is special about the numbers 9801, 998001, 99980001 ..? 41 Proof of 1=0 by mathematical induction?

# 33,275 Reputation

 +10 Is value of $\pi = 4$? +10 How can I evaluate $\sum_{n=0}^\infty (n+1)x^n$ +20 Direct Proof that $1 + 3 + 5 + \cdots+ (2n - 1) = n\cdot n$ +5 Limits: How to evaluate $\lim\limits_{x\rightarrow \infty}\sqrt[n]{x^{n}+a_{n-1}x^{n-1}+\cdots+a_{0}}-x$

# 29 Questions

 153 The Mathematics of Tetris 28 Explicitly reconstructing a function from its moments 25 Fermat's Last Theorem and Kummer's Objection 23 Limits: How to evaluate $\lim\limits_{x\rightarrow \infty}\sqrt[n]{x^{n}+a_{n-1}x^{n-1}+\cdots+a_{0}}-x$ 22 Drunkard's walk on the $n^{th}$ roots of unity.

# 171 Tags

 555 sequences-and-series × 82 287 integral × 43 510 number-theory × 91 232 prime-numbers × 41 466 calculus × 87 225 homework × 51 353 elementary-number-theory × 46 220 algebra-precalculus × 28 349 analytic-number-theory × 72 219 real-analysis × 48

# 4 Accounts

 Mathematics 33,275 rep 576143 Chess 977 rep 314 TeX - LaTeX 160 rep 6 Physics 123 rep 4

# 68 Badges

 Nice Answer × 77 Announcer Constituent × 3 Enlightened × 35 Good Question × 3 Altruist Informed number-theory Caucus × 3 Popular Question × 3

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