Пошаговое объяснение:
1. y = √x/(√x - 1)
1) P1(9; y1)
y1 = √9/(√9 - 1) = 3/(3 - 1) = 3/2 = 1,5
2) P2(x1; 3)
3 = √x/(√x - 1)
3(√x - 1) = √x
3√x - 3 = √x
2√x = 3
√x = 3/2 = 1,5
x = 1,5^2 = 2,25
2. y = x/(√x - 1)
{ x ≥ 0
{ √x ≠ 1; x ≠ 1
x € [0; 1) U (1; +oo)
Пошаговое объяснение:
1. y = √x/(√x - 1)
1) P1(9; y1)
y1 = √9/(√9 - 1) = 3/(3 - 1) = 3/2 = 1,5
2) P2(x1; 3)
3 = √x/(√x - 1)
3(√x - 1) = √x
3√x - 3 = √x
2√x = 3
√x = 3/2 = 1,5
x = 1,5^2 = 2,25
2. y = x/(√x - 1)
{ x ≥ 0
{ √x ≠ 1; x ≠ 1
x € [0; 1) U (1; +oo)