ОДЗ: x>0, y>0
x^2-5y^2+4=0
log9(x)= log3(y)
√x=y
x²-5x+4=0
D= 25-24=1
x1= (5+1)/2= 3
x2= (5-1)/2= 2
y1= √3
y2= √2
ответ: (3;√3), (2;√2)
ОДЗ: x>0, y>0
x^2-5y^2+4=0
log9(x)= log3(y)
x^2-5y^2+4=0
√x=y
x²-5x+4=0
D= 25-24=1
x1= (5+1)/2= 3
x2= (5-1)/2= 2
y1= √3
y2= √2
ответ: (3;√3), (2;√2)