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  
 
0
83
1
avatar

 

State whether the given geometric series have sums.

 

6.  5 + 10 + 20 + 40 + …                                   

 

8.  6 + 2 + 2/3 + 2/9 + …            

                

10.  1 + .1 + .01 + .001 + …                              

 

12.  1 – 1/5 + 1/25 – 1/125 + …                   

 Apr 18, 2019
 #1
avatar+721 
+1

6. The numbers are growing exponentially so there is no sum

8. The numbers are shrinking exponentially so there is a sum, which is 9.

Based on this, can  you find the other two?

 

You are very welcome!

:P

 Apr 18, 2019

10 Online Users