Math markdown not functioning

Self explanatory.
You may see [this GitHub page](https://docs.github.com/en/get-started/writing-on-github/working-with-advanced-formatting/writing-mathematical-expressions)
As well as the image below.
![Figure 1; An image of math markdown example](https://github.com/user-attachments/assets/d53e2a4a-ee1c-43ef-9582-65155ed4dbef)
This would be helpful if you can add it.
Thanks.