Hi, is your question about how to insert these equations into your manuscript? Or whether these equations are correct? If the latter, they seem OK to me. If the former, that depends on the software you’re using to write your manuscript. Word has a decent equation editor, or if you use LaTeX, your equations are actually already in the right format for that. I’ve edited your post to show you what they look like (you can actually typeset LaTeX equations on this forum by enclosing them in $$). If the issue is that you’re trying to copy/paste these formulae into Word, then I don’t know a way of doing this, but these are short enough that you can trivially type them into the equation editor.
If I’ve got the wrong end of the stick, feel free to let me know!