\
The functions
and
.
\
Find
.
\
.
\
\
Thus,
.
\
Option (J) is the correct choice.
\
\
Option (J) is the correct choice.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
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and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9402430006326fc5b1f8f385980c4558.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f4c7567e45645e2ed442ea76b902b424.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=234a6829a89a3352c3dfb0055154e930.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=997fb4db3ce604bf6c641e5c6af61f01.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ffd5c6a02abd9bb361f4c71b61d1c6d1.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")