+0  
 
0
182
1
avatar

What is the sum of the finite arithmetic series -10, -8, -6, -4, ... 24?

Guest Oct 24, 2017
 #1
avatar+89953 
+1

We have 

 

(-10 + 24)  + (-8 + 22)  + (-6 + 20)  .........(6 + 8)

 

9 pairs of numbers where each pair sums to 14    =  9(14)   = 126

 

cool cool cool

CPhill  Oct 24, 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.