Register    Login    Search    Rss Feeds

Forums Home » Ask An Instructor » GMAT Math » GMAT Prep Math


 Page 1 of 1 [ 2 posts ] 



  Print view Print view Previous topic Previous topic | Next topic Next topic
 

Sequence question

Author Message
JA
 Post subject: Sequence question
 Post Posted: Sat Aug 16, 2008 12:13 pm 
For every integer k from 1 to 10, inclusive, the kth term of a certain sequence is given by (1/2)^k * (-1)^(k+1)

If T is the sum of the first 10 terms in the sequence, then T is:
a. greater than 2
b. between 1 and 2
c. between (1/2) and 1
d. between (1/4) and (1/2)
e. less than (1/4)
Top 
RonPurewal
 Post subject:
 Post Posted: Mon Aug 25, 2008 5:26 am 
Offline
ManhattanGMAT Staff


Posts: 7146
there's already a ton of stuff on the forum about this problem.
http://www.manhattangmat.com/forums/post15436.html
http://www.manhattangmat.com/forums/for ... t3868.html
Top 
Display posts from previous:  Sort by  
 
 Page 1 of 1 [ 2 posts ] 





Who is online

Users browsing this forum: No registered users and 1 guest

 
 

 
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to: