Các câu hỏi tương tự
Tim cac so x, y la cac so nguyen thoa man: \(\frac{2}{x+y\sqrt{5}}-\frac{3}{x-y\sqrt{5}}=-9-20\sqrt{5}\)
tim cac so nguyen thoa man dang thuc x3 - 4*x2-x*y+5*x+y+3=0
tim cac so nguyen duong x;y;z thoa man \(3x^2-18y^2+2z^2+3y^2z^2-18x=27\)
a)Tim tat ca cac so nguyen duong x, y , z thoa man: \(\frac{x+y\sqrt{2013}}{y+z\sqrt{2013}}\)la so huu ti, dong thoi x2 + y2+ z2 la so nguyen to.
b) Tim so tu nhien x, y thoa man: x(1+x+x2) = y(y-1).
cho cac so x,y thoa man:x^4+x^2y^2+y^4-4=0
x^8+x^4y^4+y^8=8
A=x^12+x^2y^2+y^12 co gia tri la bao nhieu
Tim tat ca cac cap so nguyen(x,y) thoa man:
10x + y = x2 + y2 +1
Tim tat ca cac so nguyen x,y thoa man x^2 + 8y^2 - 6y - 2x + 6y + 6 = 0. ai biet giai giup minh voi,toan nang cao lop 9 do,cam on moi nguoi nhieu
a)Tim cap (x,y) nguyen duong thoa man xy=3(y-x)
b)cho 2 so x,y >0 thoa man x+y = 1
Tim GTNN cua M=(x^2+1/y^2)(y^2+1/x^2)
tim cac cap so nguyen thoa man phuong trinh sau:
a)2x+y=0
b)6x-15y=4