i just tried that in the preamble but still no good. I also have to be very persistent with even getting the \ into tinymce as well as it seems to deleted it? This is the sample code i am trying:

\sqrt[4]{4}

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i just tried that in the preamble but still no good. I also have to be very persistent with even getting the \ into tinymce as well as it seems to deleted it? This is the sample code i am trying:

\sqrt[4]{4}

\sqrt[4]{4}