Mathematics Forum

Mathematics -> Number Theory
Control Panel
Log In! | Register
Your User Name:
Your Password:    Forget your password? | Register
Subject:
Message:


Emoticon Listing
HTML Help
Options: Check here to include your profile signature.
Check here to stay logged in.
Convert smiles.
Preview your post. (This feature will still post your message,
but you can edit it from there if you need to make changes)


 
Tired of seeing ads? Click here to upgrade to Elite Membership!

Author Message / Information
shin






I Need your help please...everybody!!
replied on: 4/4/2005 2:16:24 AM
for N=1 it is 1
for N=2 it is 1+2
for N=3 it is 1+2+3

so,for some N=N it is 1+2+3+.....+n

using sum to arithematic progresion it is,
=N/2(2*1+(N-1)*1)
=1/2(N)(N+1).
Tired of seeing ads? Click here to upgrade to Elite Membership!


ChatArea.com Help & News Forums | Terms of Use | Contact ChatArea.com | Advertising

Powered By ChatArea.com - Get your free Society today! © Copyright 2003 Wewp!