Ответы и объяснения

2013-12-24T19:15:17+00:00
X=3sqrt(2) or y=2sqrt(5) in 2
x^2=18 and y=0
if y=2sqrt(5)
y^2=20 and x^2=-2(no roots)
x=3sqrt(2) y=0
2013-12-24T19:20:55+00:00
(x-3√2)(y-2√5)=0
x^2 + y^2 = 18  

x1=3√2
(3√2)^2 + y^2 = 18  

x1=3√2
y1 = √(18-18)  

x1=3√2
y1 = 0  

y2 = 2√5
x2 = √(18 – (2√5)^2)  

y2 = 2√5
x2 = √(18-20)  

y2 = 2√5
x2 = √(-2)