Răspunsuri

  • Utilizator Brainly
2014-02-08T12:37:25+02:00
(x+1)/x=4
x+1=4x
3x=1
x=1/3

(x^2+1)/x^2=(1/3^2+1)/1/3^2=(1/9+1)/1/9=10/9:1/9=10/9x9=10
5 3 5