Method and examples
Geometric Progression
Problem 18 of 23

18. Prove that `1^2 + (1^2 + 2^2) + (1^2 + 2^2 + 3^2) + ... n` terms `= n/12 (n + 1)^2 (n + 2)`
 
 




Share this solution or page with your friends.


 
Copyright © 2023. All rights reserved. Terms, Privacy
 
 

.