Question

DETERMINATI NUMARUL NATURAL n CARE VERIFICA FIECARE EGALITATE:
12²+n² EGAL 13²
P.S. nu am egal si am scris cu litere

Answer 1

$12^{2} + n^{2} = 13^{2} \ \textless \ =\ \textgreater \ n^{2} = 13^{2} - 12^{2} =169-144=25 =\ \textgreater \ n=5$