Question

225•226-225^2 e patrat perfect

Answer 1

$225 \times 226 - {225}^{2}$

$= 225(226 - 225)$

$= 225 \times 1$

$= 225$

$= 15 \times 15$

$= {15}^{2} = > p.p$

Answer 2

225·226 - 225² =

= 225·(226 - 225)

= 225·1

= 225

= 15²