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May
18
comment Cover Folner sets by disjoint balls
you can delete it yourself. Look underneath the question's tags
May
18
comment Integral giving wrong values
$-2+ \frac 34 \ne -\frac 34$
May
13
comment Prove that the normal to a quadratic curve passes through a specific point
@SufyanNaeem If you want to be pedantic, I'll change my wording
May
13
comment Prove that the normal to a quadratic curve passes through a specific point
Looking at that graph using a graphing calculator leads me to believe that you are correct and the question is wrong.
May
13
comment Inductive proof that every term is a sequence is divisible by 16
See Henry's answer. I must use induction.
May
13
comment Inductive proof that every term is a sequence is divisible by 16
Oh that's why they used 5! This makes a lot more sense now, thank you for your answer :)
May
13
comment Inductive proof that every term is a sequence is divisible by 16
I have to prove it by induction, this question comes from an exercise in my maths book about induction.
May
13
comment Inductive proof that every term is a sequence is divisible by 16
So does that mean the proof by induction could be completed with any number, not just 5? I thought it could only be 5 since the question specified to use that expression
May
13
comment Inductive proof that every term is a sequence is divisible by 16
As far as I can tell you didn't read my question
May
12
comment What exactly IS a square root?
To answer the second part, calculators use the general binomial theorem which generates a converging infinite series that the calculator then uses to get the root to a given number of decimal places
Apr
22
comment Irrationality of $\pi$ and circumference to diameter ratio.
A better way to write that sum would be $\sum_1^{\infty} \frac {4(-1)^r }{2r-1}$
Apr
20
comment Probability of success in $n$ trials
3. It would make it easier to learn what you are doing wrong and how to improve your asking/answering technique, which would improve the overall quality of posts on the site. What do you think of our proposal?
Apr
20
comment Probability of success in $n$ trials
obvious whether a post is good quality or not. On this site however questions and answers can be somewhat subjective in quality, usually because there are multiple different methods to solving a problem. Therefore, we would suggest that someone who has downvoted an answer must leave a comment at the same time. This would have three advantages : 1. You can make an inquiry as to your downvote. 2. It would not be so lightly and inaccurately voted down, because everybody can see which users have voted down. [cont]
Apr
20
comment Probability of success in $n$ trials
Tone and content looks good but I have some grammatical corrections and a couple of extra additions (I assume English isn't your first language): imulsion and I have seen many times before that responses have been voted down by multiple individuals even though they were mathematically correct - usually without leaving a comment. [insert sources etc here] It is therefore impossible to ask the voter why he has decided that the question is not fit for the site's format - as they cannot be identified from votes alone.On other SE sites this isn't really a problem - it is usually fairly [cont]
Apr
19
comment Simple Logarithmic question.
@Faust7 do you not have access to a calculator? Or is it a non-calculator exercise? You might be able to leave the answer as $\frac{\ln 24}{\ln 9}$ as the decimal is not exact
Apr
19
comment Probability of success in $n$ trials
In terms of solving the problem, there isn't really an easy solution. I like your idea of being forced to leave a comment in order to downvote. Maybe there could be a "why are you downvoting" message box that appears or something, but we can leave that discussion for the post.
Apr
19
comment Probability of success in $n$ trials
I haven't made a post but I do think we need to highlight the somewhat hostile attitude on this site. I'm involved with several SE sites (notably Arqade and SO (check my profile)) and this one definitely feels a lot less welcoming. My ideas: Note in the post how people can downvote for no reason. Use this question as well as others (if you've experienced it before) for sources otherwise no one will believe us. Also look at @Sloan 's answer below. It was downvoted and IMO nothing is wrong with it either. I think the general gist should be that we aren't happy with the situation.
Apr
19
comment Probability of success in $n$ trials
Shall we make a post on meta about this issue?
Apr
19
comment Probability of success in $n$ trials
I upvoted your answer and don't understand the downvote either. It's a valid answer and it works. People seem to be much more vindictive on this site than on other SE sites
Apr
17
comment Probability of success in $n$ trials
To whoever downvoted: Why did you downvote? What makes this question bad? I'd like to improve my asking technique