Complex Analysis
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Praveen (ECE-1)
Mar 15, 2020, 7:02:02 AM3/15/20
to Mathematical Methods
How can we say that C is both open & closed set & what about C\{0}
yuga....@gmail.com
Mar 17, 2020, 10:58:51 AM3/17/20
to Mathematical Methods
On Sunday, March 15, 2020 at 4:32:02 PM UTC+5:30, Praveen (ECE-1) wrote:
> How can we say that C is both open & closed set & what about C\{0}
> How can we say that C is both open & closed set & what about C\{0}
C is open because every point of C is an interior
point of C.Meanwhile C is also closed because the set of boundary points,which is empty is also in C.
Coming to C-{0} it is open but its not closed because zero which is a boundary point is not in C-{0}.
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