[karthink]

> Live preview works for me but only if I first do M-x org-latex-preview, it doesn’t do it automatically.

Not an error on your end. Live previews for _new_ fragments are only supported when entering \[..\] and \(..\) delimiters, and not $..$ and $$..$$. With the latter you'll have to preview it manually once, and live previews will update from then on.

Fixed the typo, thank you for reporting it.