Jump to content

Welcome to BrainDen.com - Brain Teasers Forum

Welcome to BrainDen.com - Brain Teasers Forum. Like most online communities you must register to post in our community, but don't worry this is a simple free process. To be a part of BrainDen Forums you may create a new account or sign in if you already have an account.
As a member you could start new topics, reply to others, subscribe to topics/forums to get automatic updates, get your own profile and make new friends.

Of course, you can also enjoy our collection of amazing optical illusions and cool math games.

If you like our site, you may support us by simply clicking Google "+1" or Facebook "Like" buttons at the top.
If you have a website, we would appreciate a little link to BrainDen.

Thanks and enjoy the Den :-)
Guest Message by DevFuse

- - - - -

  • Please log in to reply
20 replies to this topic

#21 EventHorizon


    Senior Member

  • VIP
  • PipPipPipPip
  • 512 posts
  • Gender:Male

Posted 24 February 2009 - 09:40 PM

That is interesting! The ubiquitous e. I suppose, whenever you get a series with a mixture of factorials and exponents, you can always look how to convert the series into f(ex).

A correction to my post with the birthday (question 2) equation.

Spoiler for B-day equation

Yup, that's the equation to start with.
Spoiler for where I went next

  • 0

0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users