Processing math: 100%

18 novembre 2020

Proofs without words 1

Every odd number is the difference of two consecutive squares.
Pick an odd number n (in red), "bend it" in the middle and fill the square (with the blue part). In the picture, we see that for n=13 we obtain 13=7^2-6^2.

Credits: MSE question 263101

Nessun commento:

Posta un commento