HI, Are you sure this is correct? I can't integrate it (I'm assuming w.r.t. x) and I've put it into a few online integrators and they can't do it either.
You can start using symbols by pressing the sum symbol (second from end right on the bottom row of tool bars (on the ADVANCED editing box) and using latex language to write in between the "[TEX]" symbols that come up. Google latex for a basic intro. It'll make your time on here much more rewarding.