+0  
 
0
205
2
avatar+381 

Hi! A new concept is being introduced and I'd like to figure out some of these examples with answers.

 

1.

What is the sum of the series?

2.

what is the sum of this series?

3. What is the sum of the series?

 

Thank you all! :)

 Apr 2, 2019
 #1
avatar+84 
+2

14?  Idk

 Apr 2, 2019
 #2
avatar+4330 
+1

1, Sigma Notation: Sum of the series.

 

We will plug j=1, j=2, all the way up till j=5.

 

Thus, we have 2(1)+2(2)+2(3)+2(4)+2(5)=30.

 

Use the same steps for the rest...ask for help if you need some.

 Apr 2, 2019

11 Online Users