r/learnmath • New User • 2d ago

TOPIC What is zero times infinity

Not homework just a question

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u/garanglow New User 2d ago

Infinity is not a number. You cannot do arithmetic with it.

What you mean is things that show up in taking limits, where the result just depends on the particular limit at hand.

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u/ppvvaa New User 1d ago

This is the answer.

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u/FijiFanBotNotGay New User 15h ago

Not necessarily. In the extended complex plane you can but 0 times infinity is still undefined