The expression is .
The expression is not a polynomial since is not monomial.
Because , monomial doesnot contain variables in the denominator.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=99dba89abf8beff02de909ba5e08b13b.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e4d5a20363f3198879ad71c06ab3d6d7.png\")
is not monomial.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ea17f281ceb785558363de7d9e8e2e65.png\")
, monomial doesnot contain variables in the denominator.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e4d5a20363f3198879ad71c06ab3d6d7.png\")
is not monomial.