The expresion is .
Rewrite the expression as .
( Since )
Thus, the exact value of .
The exact value of .
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=316f2f5939b0395eb3484a6a72deda75.png\")
..![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=84aca2908a9cc8b8d6cbbde8371aa204.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8c8eaa686e486e46db428b32fc364909.png\")
( Since ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=74d402ca167740f700c33fc5bec48318.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=55b37d338ea7ca2e96d3f0d72fb9bd54.png\")
( Since ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1cbd1d0ba91713a6814eb964a0a2d873.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=efb19fdaf81a7a143a182a1868648504.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5d8ec693694395cbd2e6779514ac71e7.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5d8ec693694395cbd2e6779514ac71e7.png\")
.