The expression is
Apply logarithm Quotient Property: .
Substitute and in above expression.
The value of the expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0c5afc213364d88cce34ea131220d8da.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0fc01b0d20a1bd734dc9387a11fe519d.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8a8fb5203d74ef3d54846fd85af0d4db.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3ff6bb4b4fd59f1fb413be19c634b503.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=eb85d108357bd6455f75562fd042bd1f.png\")
in above expression.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=102c1cd7147d74e94d6e9073253c5d58.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7c1eb33306c89cae6f91c6f3b67a6890.png\")
.