\(x^4-x^2+2x+2=y^2\)
Ta có:
\(\left(x^2-1\right)^2\le x^4-x^2+2x+2< \left(x^2+2\right)^2\)
\(\Rightarrow x^4-x^2+2x+2=\left(\left(x^2-1\right)^2;x^4;\left(x^2-1\right)^2\right)\)
Tới đây tự làm nốt nhé
giai pt nghiem nguyen:
(y+2)(x^2+1)=2x^3+3x+1
a,giai pt (x-3/x-2)^3-(x-3)^3=16
b,tim nghiem nguyen cua pt: 8x^2+23y^2+16x-44y-1180=0
Giai pt nghiem nguyen
\(x\left(x+2\right)^2\left(x+4\right)\le5\)
giai phuong trinh nghiem nguyen : x^2+x=y^4+y^3+y^2+y
Giai phuong trinh nghiem nguyen sau :
\(x^4+x^3+x^2=y^2\)
Giai pt nghiem nguyen to:
\(x^y+y^x+300=z\)
tim nghiem nguyen cua pt
\(x^2+xy+y^2=x^2y^2\)
Giai phuong trinh nghiem nguyen
x2-xy+y2=x2y2-5
giai phuong trinh nghiem nguyen 8x2-7x+-13= y(x-1)2
