Respuestas

2012-10-06T22:41:49+02:00

4 - x² ≤ - 2

4+2-X² ≤0

6-X² ≤0

X² ≤6

X² ≤√6

1/X + 1/1-X ≥ 0

1-X+X/(X)(1-X) ≤0

1/(X)(1-X) ≤0

1 ≤(X)(1-X)

1 ≤X-2X

1≤-X

X≥-1