# narges

Iran

I will soon be a mathematician...

 Jan 8 awarded Notable Question Nov 21 awarded Popular Question Sep 24 awarded Autobiographer Sep 24 awarded Autobiographer Oct 14 awarded Peer Pressure Oct 14 comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?thanks a lot master Oct 14 comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?is limits points of k {0}? Oct 14 comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?then k is closed,yes? Oct 14 comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?1\2( 1/n + 1/(n+1))? yes? Oct 14 comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?5/12? is true?? Oct 14 comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?k=A+ {0}?? is true? Oct 14 asked Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set? Oct 11 comment What is the answer of this problem?thank you very much Oct 11 comment What is the answer of this problem?thank you very much Oct 11 asked What is the answer of this problem? Oct 11 awarded Editor May 4 awarded Student May 4 awarded Commentator May 4 comment Relationship between $\nabla\cdot n$ and the normal $n$Thank you for editting May 4 comment Relationship between $\nabla\cdot n$ and the normal $n$Ok,Thank you...