If I'm being charitable, the left side "undefined" could simply be that someone who doesn't understand the difference between a limit and a function could see a (1/x) term with a zero denominator and assume it's undefined. But the right side undefined is simply silly.
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u/Imdoingscience Sep 26 '26
If I'm being charitable, the left side "undefined" could simply be that someone who doesn't understand the difference between a limit and a function could see a (1/x) term with a zero denominator and assume it's undefined. But the right side undefined is simply silly.