The inequality is .
(Substitute )
(Zero multiplicative property: )
This is false.
The point is do not satisfies the inequality.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e1c4f5687e6e129440654b53d06ad588.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1d1a9be501c9d96b6f596190f1fb6cb2.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=28b58be692375f1ab5152ab4930a0fa8.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=87bda5a15c869b8b93aecd7702b2550c.png\")
(Zero multiplicative property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=985fbb12c92d21e61fc638fb02bc4338.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bee16d52883e4deaa0986baa9430630e.png\")
is do not satisfies the inequality.