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
\(1\).
\[
\frac{x + 1}
{x - 1} - \frac{1}
{x + 1}
\]
\(x\in (-\infty ,-3] \cup (-1,1)\)
\(x\in (-\infty ,-3] \)
\(x\in (-\infty ,-1)\cup (-1,1)\cup (1,\infty )\)
\(x\in [ - 3,-1)\)