Question

Rezolvati in R inecuatia x>=9/x

URGENT!!​

Answer 1

Răspuns:

[-3;0)[3 +infinit)

Explicație pas cu pas:

x>=9/x

x-(9/x)>=0

x^2-9>=0

2 cazuri

1) /x^2-9>=0

\x>0

2)/x^2-9<=0

\x<0