\
The piecewise function is
\
Find
.
\
Consider the function
.
\
Substitute
in
.
\
\
\
.
\
\
Find
.
\
Consider the function
.
\
Substitute
in
.
\
.
\
\
and
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c563c3c39f99b504d100f3ceb6d7f1e2.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=05a9c92e628d4c4472e889bda36d8888.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2604270992b0475ba731d8a1a02f25b4.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6cb87614dd68fa336fabff246acb9d68.png\")
in ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2604270992b0475ba731d8a1a02f25b4.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fe45d202fc345675e68e394b98f641e3.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8f40097a1d6f7ac3c7448ff77b229257.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aefda01259df339c5f402045b023d3cc.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=843cc9ac54922310e47406a8029d835e.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=be1418d97405f93048f4e10e3e20ad24.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=65758eead6f964dabe44d72e6d512156.png\")
in ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=be1418d97405f93048f4e10e3e20ad24.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0f4e9ee13ddae3393db02c88dbe5352c.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aefda01259df339c5f402045b023d3cc.png\")
and ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0f4e9ee13ddae3393db02c88dbe5352c.png\")
.