We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
+1
83
1
avatar+133 

 Determine all nonnegative integers \(r\) such that it is possible for an infinite geometric sequence to contain exactly \(r\) terms that are integers. Prove your answer.

 Jun 5, 2019
 #1
avatar
0

S = F/ [1 - R], where S = sum of infinite series, F = First term, R = Common ratio

S = 4 / [1 - 6/7]

S = 4 / (1/7)

S = 4 x 7

S = 28 =7 + 6 + 5 + 4 + 3 + 2 + 1 + 0

 Jun 6, 2019

4 Online Users