Question

true or false

1.The space is Complete and Seperable.

2.The image of closed or (open) set is closed or (open).

3- Let X be complete, A ⊆ X. then A is Complete.​

Answer 1

Answer:

A good question the subspace of separable will not be separable but every open subspace is separable the answer is true

2 A another good question in continous function the inverse mirror of open set atopen answer is true

3 . Actually this question thinks me very well but the answer is false in my opinion