Question

Найдите значение n , если 986^2-319^2=2001n

Answer 1

972196-101761=2001 n
870435=2001 n
n= 870435:2001=435

Answer 2

986² - 319² = 2001n
(986 - 319)(986 + 319) = 2001n
667 * 1305 = 667 * 3 * n
3n = 1305
n = 435