Method and examples
Geometric Progression
Problem 16 of 23

16. Prove that for all n belongs to N, `1^2 * n + 2^2 * (n - 1) + 3^2 * (n - 2) + ... + n^2 * 1 = n/12 (n + 1)^2 (n + 2)`
 
 
SolutionExample

 
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