The inequality .
(Replace r with 8 in original inequality)
(Multiply: )
The sentence is false.
The inequality is false for r = 8.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=12b1c7ed5c2f3bc48cf8b2b2117e558c.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0ed8f55be09638cd414c4615506cfa27.png\")
(Replace r with 8 in original inequality) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=093f551b840a0f1e343cc7c1126c671e.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=99065a999ac84463dd32b721c41400d8.png\")
) ![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=12b1c7ed5c2f3bc48cf8b2b2117e558c.png\")
is false for r = 8.