求有理数XYZ,使其满足方程:12(X+Y-5)²+3(2Y-6)²+(Z+X)²=0

问题描述:

求有理数XYZ,使其满足方程:12(X+Y-5)²+3(2Y-6)²+(Z+X)²=0

12(X+Y-5)2+3(2Y-6)2+(Z+X)2=0
x+y-5=0
2y-6=0
z+x=0
y=3,x=2,z=-2