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Apr
12
awarded  Inquisitive
Mar
20
comment Evaluate $\int \frac{1}{x^3+3x+1}dx$
Actually, $\frac{1}{z}$ is not $\log$'s derivative everywhere... Remember that $Ln(z)$ is not entire.
Mar
20
comment Evaluate $\int \frac{1}{x^3+3x+1}dx$
nice, was just about to post this idea for a solution.
Jan
13
comment $\delta$ = min {1, $\epsilon$} works for proving $\lim_{x->0}$ $x^3$ = 0?
Nevermind Did, ok? I'll delete whatever I said.
Dec
20
awarded  Constituent
Dec
20
awarded  Yearling
Dec
17
revised let $(a_n)$ be a sequence of real numbers such that $|a_{n+1}-a_n|\leq \frac {n^2}{2^n}$ for all $n\in \mathbb N$. Then
I messed up
Dec
17
revised let $(a_n)$ be a sequence of real numbers such that $|a_{n+1}-a_n|\leq \frac {n^2}{2^n}$ for all $n\in \mathbb N$. Then
added 77 characters in body
Dec
17
answered let $(a_n)$ be a sequence of real numbers such that $|a_{n+1}-a_n|\leq \frac {n^2}{2^n}$ for all $n\in \mathbb N$. Then
Dec
17
comment Number of functions from domain to codomain
@Mark sure no problem.
Dec
17
comment Number of functions from domain to codomain
@Mark There are $b^a$ number of functions.
Dec
15
awarded  Nice Answer
Dec
11
answered How is the area of this triangle calculated
Dec
11
comment What does non-zero integer mean?
do you know what zero is? do you know what non is?
Dec
11
comment What is a counting number?
hahhahhahhahaha
Dec
9
awarded  Caucus
Dec
4
reviewed Approve A difficult trigonometry problem
Dec
4
accepted No-where dense sets in the reals
Dec
4
comment No-where dense sets in the reals
@bof That makes sense. Yeah, I didn't think very deeply about the question...
Dec
4
comment No-where dense sets in the reals
@AsafKaragila Yes!!! those are the things that I mean by that. I guess weird to me is just simply things I have less familiarity with. I've played with vitali sets, and cantor space a lot-- fat cantor sets yeah, those are nice. But bernstein sets! I need to play with those some more... I'm a newcomer to desc. set theory so weird means unfamiliar :)