I'm a new user to LaTeX, so forgive me if this is a stupid question.
I've created a document using MiKTeX/TeXworks and everything has been going rather smoothly, but there's a particular section in my document where I'm seeing gaps in the square root overbar and division bar of my expression.
Here's what I mean:

If I change zoom levels, the gap is still there, but it will shift to a different position along that same part of the expression. Is there a way to prevent this from happening?
Thanks!