CSIR NET Follow
May 13, 2020 3:07 pm 50 pts
34. Let(X,d) be a metric spacc and let A X. For XE X, define d(x. A) = inf {d(x.a): aeA} If d(x, A)= 0 for all x e X, then which of the kolloWLng assertions must be true ( 4 is compact (3) Ais dense in A (2) is closed (4) =X