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Mathematica Plots the function f[x]=x/x in [-1,1] with no problem but I need an indicator of singularity in x=0. How can I do that?

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Perhaps this?:

Plot[x/x, {x, -1, 1},
 Epilog -> {White, EdgeForm[Black], Disk[{0, 1}, Offset[{5, 5}]]}]

enter image description here

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  • $\begingroup$ This is what I look for. Thank you very much. $\endgroup$ – Alp Sep 29 '19 at 19:29
  • $\begingroup$ @Alp You're welcome. :) $\endgroup$ – Michael E2 Sep 29 '19 at 19:32

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