As the sir said in the last …he will discuss number of path but that video is missing.
Minimum Cost Path
@Kumarrituranjan2056 don’t know about that but no of paths from 1,1 to i,j in 2d matrix if only right and down allowed are i+j-1
so with n and m path are n+m-1
i hope its clear if yes dont forget to hit like and mark resolved 