18/08/04 15:56:12.93 VblSSaDK.net
Let f ： R → R be defined by setting f(x) = sin(x) if x is rational, and f(x) = 0 otherwise.
At what points is f continuous?
18/08/04 15:56:12.93 VblSSaDK.net
Let f ： R → R be defined by setting f(x) = sin(x) if x is rational, and f(x) = 0 otherwise.
At what points is f continuous?