\
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f86704560b6ac4f528607727e21f77d5.png\")
, which is rational, but ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f2847842ec0e280de1a082a2caf6923e.png\")
, which is irrational.
\
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The product of two irrational numbers sometimes irrational.
\Example: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f86704560b6ac4f528607727e21f77d5.png\")
, which is rational, but ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f2847842ec0e280de1a082a2caf6923e.png\")
, which is irrational. \ \
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The product of two irrational numbers sometimes irrational.
\ Example:, which is rational, but , which is irrational.