The expression is .
( can be written as )
The product of a number and its multiplicative inverse is 1.
So, .
(Product is 1)
The multiplicative inverse is .
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b967da27baea6678fade21eb49452966.png\")
(![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=916d02973af578817f17742269c0e98b.png\")
can be written as ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cbf89134ced776ca9e48246f731235dd.png\")
)![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=90a7e28eb8e80ae428826041a7e65a9d.png\")
(Product is 1)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=09b612cfbc0e806ab63e882e0e64e32c.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
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.