The expression is .
The degree of the numarator is and the denominator are .
Since the degree of the denominator term is not a non–negative integer, the expression is not a polynomial.
The expression is not a polynomial. \ \
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and the denominator are ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=74a6b604330c714c2ba3c54e4e65320f.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")