Question

The solution of the inequality IIxI-1I ≤ 1/2 are ?

Answer 1

$-1/2\le|x|-1\le1/2$

$1/2\le|x|\le3/2$

$x\ge 1/2$ or $x\le -1/2$

$-3/2\le x\le 3/2$

$x\isin [-3/2,-1/2]\lor [1/2,3/2]$