Proofs without words: Sum of \(n\)
A "proof without words" convincingly justifies a mathematical claim just by picture.
Here it is shown that \(1 + 2 + \ldots + n\) is equal to \(\frac{n\cdot(n+1)}{2}\).
A "proof without words" convincingly justifies a mathematical claim just by picture.
Here it is shown that \(1 + 2 + \ldots + n\) is equal to \(\frac{n\cdot(n+1)}{2}\).