9000021810 | math4u.vsb.cz

SubArea:

Rational equations and inequalities

Level:

Project ID:

9000021810

Accepted:

1

Clonable:

0

Easy:

0

Find all the values of

x

for which the following expression takes on values smaller than or equal to

1

.

\frac{x + 1}{x - 1} - \frac{1}{x + 1}

x \in (- \infty; - 3] \cup (- 1; 1)

x \in (- \infty; - 3]

x \in (- \infty; - 1) \cup (- 1; 1) \cup (1; \infty)

x \in [- 3; - 1)