Quantcast math help SOS? - XP Math - Forums
XP Math Home Sign Up FREE! | Sign In | Classroom Setup | Common Core Alignment PDF Version

Go Back   XP Math - Forums > Welcome > Off-Topic Discussion

Thread Tools Display Modes
Old 07-27-2007   #1
Posts: n/a
Default math help SOS?

I need a general term for the following sequences...2/3, 3/4, 4/5, 5/6, 6/7 the next one is -3, 6, -9, 12, -15 and the last one is 3, 9, 27, 81, 243 thanx for all who help me with these you all are true angels muahz whoever answers the best gets best answer
Old 07-27-2007   #2
Teh Pwnzor
Posts: n/a

First one is 1+n/2+n, n being the number in the sequence.Second one is (-1^n) x (3n), n being the number in the sequence.Third is 3^n, n being the number in the sequence.Hope that helps and good luck.
Old 07-27-2007   #3
Posts: n/a

2/3, 3/4, 4/5, 5/6, 6/7nth term will be (n+1)/(n+2)-3, 6, -9, 12, -15nth term: 3*n*(-1)^n3, 9, 27, 81, 243nth term: 3^n
Old 07-27-2007   #4
Posts: n/a

The i th. number in the following sequences are - First sequence: i/(i+1)Second sequence: ((-1)^i)*3*iThird sequence: 3^i

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

All times are GMT -4. The time now is 02:24 PM.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
XP Math