This is a companion discussion topic for the original entry at http://iq.opengenus.org/difference-between-square-of-sum-and-sum-of-squares/

# Difference between square of sum (Σn)² and sum of squares (Σn²)

This is a companion discussion topic for the original entry at http://iq.opengenus.org/difference-between-square-of-sum-and-sum-of-squares/