The interval is .
An open interval, denoted by , consists of all real numbers for which .
.
The interval as the inequality is .
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c7a92f21ac668264e734f2664f3281e0.png\")
..![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ae9e34ee88db9b8920052e29074504bf.png\")
, consists of all real numbers ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8da2268e35b6b6daab9c47f71c4c8bf4.png\")
for which ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=537ebc0d4590ae31b6eef69bfc333ad4.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=915648299501324d4a4e643a3f86fbbf.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c7a92f21ac668264e734f2664f3281e0.png\")
as the inequality is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=57a859a7304b5fb9189ad615467c1452.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=57a859a7304b5fb9189ad615467c1452.png\")
.