Question

Решить уравнение
1/х^2+1/(х+2)^2=10/9

Answer 1

1/х^2+1/(х+2)^2=10/9
2(x^2+2x+2)/x^2(x+2)^2=10/9
x=-3
x=1
x=-1-i/√5
x=-1+i/√5