jimmydoreisalefty@lemmy.world to

Videos@lemmy.world · 7 months ago

(I wonder if he knows about lemmy)1 divided by 0 (a 3rd grade teacher and principal got it wrong), Reddit r/NoStupidQuestions [4:51 | Dec 02 2023 | bprp precalculus]

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(I wonder if he knows about lemmy)1 divided by 0 (a 3rd grade teacher and principal got it wrong), Reddit r/NoStupidQuestions [4:51 | Dec 02 2023 | bprp precalculus]

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jimmydoreisalefty@lemmy.world to

Videos@lemmy.world · 7 months ago

1 divided by 0 (a 3rd grade teacher & principal got it wrong), Reddit r/NoStupidQuestions

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I saw this Reddit post today saying "My son's third-grade teacher taught my son that 1 divided by 0 is 0. I wrote her an email to tell her that it is not 0. ...

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FooBarrington@lemmy.world
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7 months ago
You mean this one?

The projectively extended real number line is distinct from the affinely extended real number line, in which +∞ and −∞ are distinct.

Now tell me, do we usually work with the projectively extended real numbers?

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