Найдите корни уравнения 1) x-4/x-5 + x-6/x-5 =2 2) 1/2-x-1=1/x-2 - 6-x/3x^2-12 3)...

Question

Найдите корни уравнения
1) x-4/x-5 + x-6/x-5 =2
2) 1/2-x-1=1/x-2 - 6-x/3x^2-12
3) 7y-3/y-y^2 = 1/y-1 - 5/y(y-1)

Answer 1

3x+7y)^2=(3x+7y)^2
10x=10y
x=y
100x^2=10x
10x^2-x=0
x(x-0.1)=0
x=0
x=0.1
y=0
y=0.1