Andrey Rekalo
Reputation
4,614
Top tag
Next privilege 5,000 Rep.
Approve tag wiki edits
 Sep7 reviewed Looks OK Linear dependence vectors proof Sep7 reviewed No Action Needed Prove $\limsup A_n \smallsetminus \liminf A_n = \limsup (A_n \cap A_{n+1})$ Sep7 reviewed Approve Induction question: $P(n): 2 + 4 + … + 2n = (n + 2)(n - 1)$ for any integer $n \ge 2$. Sep7 reviewed Leave Open Induction question: $P(n): 2 + 4 + … + 2n = (n + 2)(n - 1)$ for any integer $n \ge 2$. Sep7 reviewed No Action Needed Questions on geometry of circles. Sep7 reviewed Looks OK How to prove the inequality $(1+\frac{1}{k(k+1)})^k \geq 1+\frac{1}{k+1}$ Sep7 reviewed Close Show that $5n+3$ and $7n+4$ are relatively prime for all $n$. Sep7 reviewed No Action Needed Proof of convolution Sep7 reviewed No Action Needed Question regard the notion of almost sure convergence Sep7 reviewed Approve Finding all alternating bilinear $T$ that preserve a certain group of isometries of $\mathbb{R}^{n+1}$ Sep7 reviewed No Action Needed Showing that $\frac{1}{(1-\frac{\pi}{\sqrt{6n}})^n} = O(e^{\pi\sqrt{n/6}})$ Sep7 reviewed Leave Closed A hereditarily Lindelöf, minimal KC-space is sequential Sep7 reviewed Reopen Is an ideal generated by multilinear polynomials of different degrees always radical? Sep7 reviewed Approve How to compute the Lagrange remainder of a Taylor expansion Sep7 reviewed No Action Needed Polynomial-Why is the answer for removing parentheses and solving different Sep6 reviewed Looks OK Integrating $\int x^3 e^{-x^2}dx$ by parts Sep6 reviewed Leave Closed Did Euler have a trick? Sep6 reviewed Close How to prove that $\varphi\left(mn\right)=\varphi\left(m\right)\varphi\left(n\right)$ Sep6 reviewed Approve What is the greatest speed he can reach with an acceleration of 5.00 g before blacking out? Sep6 reviewed Approve Algorithms: Recurence Relation