The previous page is sending you to https://www.chegg.com/homework-help/questions-and-answers/question-1-let-x-t-topological-space-y-x-u-x-prove-ta-u0-0-t-u-topology-y-b-let-x-b-c-d--l-q51514619.

 If you do not want to visit that page, you can return to the previous page.