Giai phuong trinh nghiem nguyen sau :
\(x^4+x^3+x^2=y^2\)
Giai phuong trinh nghiem nguyen
x2-xy+y2=x2y2-5
giai phuong trinh nghiem nguyen 8x2-7x+-13= y(x-1)2
tim tat ca cac nghiem nguyen (x, y) cua phuong trinh x*3+y*3=(x+y)²
giai giup minh bai phuong trinh nghiem nguyen nay voi
x2+x=y2-19
x2+14xy+5y2=169
Tim nghiem nguyen cua phuong trinh x^2 - xy + y^2 - 4 = 0
Ai giải dc cảm ơn
Tim nghiem nguyen cua phuong trinh
a) \(x^2+y^2-x-4y-2=0\)
b)\(x^2+y^2=x+y+8\)
cho he phuong trinh 3x-y=2m+3 va x+2y=3m+1 tim m de he phuong trinh co 2 nghiem x y thoa man x^2+y^2=5
giai he phuong trinh sau voi x , y la nghiem
(5m+1)x+(3m+2)y=15
(13m-14)x-(2m-5)y=9
tim gia tri cua m sao cho x+y=3