Who implemented the math support? You or the author of the theme you are using?
This approach works great with v0.122.0 and later:
https://gohugo.io/content-management/mathematics/
This markdown:
\[A \lor B = Q\]
Is rendered to:
Also, as you and I have discussed in the past, when posting in this forum please wrap code, data, and configurations within triple backticks, or use the </> button in the menu. I have fixed your posting.