Mathjax module does not render on edit ckeditor I have installed mathjax module and ckeditor module, but when I try to insert math code using math button on ckeditor, the math codes does not rendered correctely, math code become hidden. Math code rendered successly after content is submited. 

is there anyone can help me to fix?

here my screenshot
Assuming you are using D7, it seems like the solution is in this MathJax issue.  Requires some patching / adding plug-ins to ckeditor.