+0  
 
0
151
1
avatar

What is the sum of the first five terms of the geometric series 2 − 8 + 32 − . . . ?

Guest Oct 11, 2017
 #1
avatar
0

Sum =F x (1 - R^N) / (1 - R)

Sum =2 x (1 -(-4)^5) / (1 - (-4))

Sum =2 x (1 - (-1024)) / (1 +4)

Sum =2 x (1,025) /(5)

Sum = 2,050 / 5

Sum= 410

Guest Oct 11, 2017

6 Online Users

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.