The expression is .
( an 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=008d5960e025c7be1c726fa698c4100d.png\")
(![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7a33db7f2021c546b2196d5eddb3f620.png\")
an be written as ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=37192ea78c2ae3e8294fb2655edc583c.png\")
)![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4b430c043fe5ab83b61d9b838f501eed.png\")
(Product is 1)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ceb3532243f13334349c55e851ae638a.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
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.