$$x^2\sqrt{x}[\math] I appreciate you Seamoh 2. Originally Posted by seamoh Hello: I try to use Latex rules ,but it doesn't work ,would you please help me in this case [tex]x^2\sqrt{x}[\math] I appreciate you Seamoh the "\" in the closing math tag should be "/" so type [tex]x^2 \sqrt {x}$$ to get $x^2 \sqrt {x}$