Các câu hỏi tương tự
giai phuong trinh xy+xz=2(x+y+z); xy+yz=3(x+y+z); xz+yz=4(x+y+z)
Giai phuong trinh:
\(x+y+z-6046=2\sqrt{x-2019}+4\sqrt{x-2020}+6\sqrt{x-2021}\)
Giai phuong trinh nghiem nguyen sau :
\(x^4+x^3+x^2=y^2\)
giai he phuong trinh 3x^2-2xy+2y^2=7 va x^2+6xy-3y^2=-8
Giai phuong trinh sau:
\(y^2-2y+3=\frac{6}{x^2+2x+4}\)
Giai phuong trinh sau:5x^4-2 x^2 +3x^2√x^2 +2=4
giai phuong trinh nghiem nguyen : x^2+x=y^4+y^3+y^2+y
giai he phuong trinh
x+y+xy=11y+z+zy=47z+x+zx=35
Giai he phuong trinh \(\hept{\begin{cases}2x^2-2xy-y^2=2\\^{2x^3-3x^2-3xy^2-y^3+1=0}\end{cases}}\)