Another Proof Without Words
\( n^2 - 1 \) is always a multiple of \(n - 1\) What would this proof look like?
Proof Without Words internet ALG2
n³ - 1 is always a multiple of n - 1 #ProofWithoutWords pic.twitter.com/CkOKg0wD6O — Roy Wright (@Sted304A) April 14, 2015