Tars Nolan
How to solve the recurrence $T(n) = T(n-2) + log(n)$?
Nov 20 '17 at 12:35 Community♦ 1
How to prove this inequality $3^{n}\geq n^{2}$ for $n\geq 1$ with mathematical induction?
Jul 28 '16 at 3:29 Erick Wong 21.6k
Negate epsilon-delta continuity
real-analysis logic
Oct 3 '16 at 18:16 Pedro Vaz Pimenta 585
Is the limit of sequence enough of a proof for convergence?
calculus sequences-and-series limits convergence-divergence
Oct 23 '16 at 16:16 Dahn 3,888
How do I calculate surface of ellipse rotating around x axel?
integration definite-integrals
Dec 13 '16 at 1:19 John Wayland Bales 16.7k
How can sum of two polynomials be equal to $\sum_{k=0}^{MAX(n,m)} (a_{k}+b_{k})x^{k}$?
Oct 19 '16 at 19:36 Tars Nolan 377
How to prove with contradiction that if $n^{5}$ is odd, then is also $n$ odd?
Oct 15 '16 at 13:47 DonAntonio 188k
How to prove this $\sum_{l=0}^{n}l\binom{n}{l}=n2^{n-1}$ with induction? [closed]
Oct 10 '16 at 21:13 studiosus 3,094
Prove inequality $(a_1+a_2+…+a_n)(\frac1{a_1}+\frac1{a_2}+…+\frac1{a_n})\geq n^2$ when $a_1,a_2,…,a_n$ are positive numbers. [duplicate]
inequality summation
Jan 21 '19 at 14:09 Martin Sleziak 52.6k
How to calculate approximation of integral by developing integrant into power series?
definite-integrals power-series
Jan 12 '17 at 20:06 Mercy King 14.4k
How to prove that $f(x)$ is equal to $ \frac{1}{2}(\exp(x) -\exp(-x)) $?
functions exponential-sum
Nov 17 '16 at 10:56 Jimmy R. 33.8k
How to prove $2^{2n}\leq n!$ for all $n\geq 9$ with induction?
Oct 13 '16 at 16:25 Edu 1,633
How to determine the convergence behavior of the sequence $x_{n}=\sqrt{n^{2}+11n+21}-\sqrt{n^{2}+6}$?
sequences-and-series convergence-divergence
Jul 28 '16 at 12:03 Claude Leibovici 146k
How to prove inequality $3^{n}≤4n!$ for $n≥4$ with mathematical induction?
Jul 25 '16 at 23:28 Community♦ 1
How to prove this equality, $log(O(5^{n})) = O(n)$?
Oct 22 '17 at 11:41 Teddan the Terran 1,436
How to find coefficients in this sum?
sequences-and-series summation power-series
Nov 22 '16 at 2:17 hypergeometric 20.4k
How to prove if the series $\sum\limits_{n=2}^{\infty} \frac{n+1}{n^3-1} $ converges or diverges with comparison test?
sequences-and-series convergence-divergence divergent-series
Nov 12 '16 at 17:38 E.H.E 22.2k
How to determine real and imaginary part of $z^{2} -7z + (13+i)=0$? [closed]
complex-analysis complex-numbers
Nov 6 '16 at 1:10 астон вілла олоф мэллбэрг 46.5k
How to prove if this $\sum_{l=0}^{n}\binom{n}{l}=2^{n}$ is valid for all $n\in \mathbb{N}$? [duplicate]
Jul 23 '16 at 19:05 Hrhm 2,625