# Daniel Pietrobon

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bio website maybemath.wordpress.com location Brisbane, Australia age 23 member for 1 year, 7 months seen 6 hours ago profile views 141

 20 What are some common proof strategies in mathematics? 10 What are some applications of Mathematics to the medical field? 9 how can one solve for $x$, $\scriptsize x =\sqrt[]{2+\sqrt{2+\sqrt{2+\sqrt{2+\sqrt{2+\sqrt{2\ldots }}}}}}$ 6 What is the product of the empty set? 6 Prove a Sequence diverges to infinity.

# 1,695 Reputation

 +5 Prove the edges of a multigraph may be oriented such that the net-degree of any vertex is $\leq 1$. +15 Prove this equation +5 What is known about the quotient group $\mathbb{R} / \mathbb{Q}$? +15 trigonometry equations

# 13 Questions

 17 Is $\lim\limits_{k\to\infty}\sum\limits_{n=k+1}^{2k}{\frac{1}{n}} = 0$? 13 Evaluate the determinant $\det\left[ \binom{2n}{n+i-j} \right]_{i,j=0}^{n-1}$ 8 Find $\lim\limits_{n\to\infty}\sum\limits_{i=1}^{n}{\frac{2n}{(n+2i)^2}}$ 7 Identity for $e$ in terms of the Fibonacci sequence. 7 Example of an infinite sequence of irrational numbers converging to a rational number?

# 53 Tags

 21 reference-request × 6 13 algebra-precalculus × 4 21 proof-writing × 2 12 graph-theory × 6 20 big-list × 2 9 combinatorics × 7 20 proof-strategy 9 homework × 7 20 soft-question 9 definition × 2

# 4 Accounts

 Mathematics 1,695 rep 422 Stack Overflow 118 rep 2 Physics 113 rep 4 Theoretical Computer Science 101 rep