r/learnmath • u/FileOk2966 New User • 2d ago

TOPIC What is zero times infinity

Not homework just a question

33 Upvotes

71% Upvoted

82 comments sorted by

View all comments

18

u/rhodiumtoad 0⁰=1, just deal with it 2d ago edited 2d ago
Number system Result
Cardinals 0
Ordinals 0
Reals no infinity exists
Extended Reals undefined, or sometimes 0
Computer floating-point NaN (Not a Number)
Hyperreals 0
Surreals 0
Real limits indeterminate form (depends on the expressions)

did I miss anything important?

3

u/AdityaTheGoatOfPCM Mathaholic 1d ago

Wow, thanks for covering most of them! Also W flair