vuongtungduong123

Tim tat ca cac bo so (x,y) nguyen duong sao cho x^2+1 chia het cho y, y^3+1 chia het cho x^2

Cho P(x) la da thuc voi cac he so nguyen co 13 nghiem nguyen phan biet. Chung minh voi x nguyen khong la nghiem da thuc P(x) thi

|P(x)| >= 7(6!)^2