The expression is .
(Apply power of a power property )
(Multiply power: )
(Definition of negative exponent)
The simplified expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0d3df2b0f129a372662ad7943f6b8065.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3b490ca34f63e8ad5937d59bda47666a.png\")
(Apply power of a power property ![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=a50e3fb3e3c6232249a124741116020b.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=be98de3fa5bfa8c09723cc79df27fd82.png\")
(Multiply power: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=385ac86f7c7351314df237f5ed283431.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=873da3251a4ba74f55921ee7a7f0e20b.png\")
(Definition of negative exponent)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=eda8a4870177cf03e5a299dcb4f8c37e.png\")
.