The logarithmic equation is .
(Apply exponential formula: )
Take square root each side.
The value of .
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=255bed012a606bf35992646e7e76c8fa.png\")
(Apply exponential formula: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=dd70eace0ede7c21f398525ae80fafac.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b295afde1cf0312d543b3abd5bac8e28.png\")
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![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
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.