in theory infinity is not a number and as such those operataions cant be completed but at minimum i can tell you that 2* infinity is inifinity

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- June 5th 2009, 11:00 PM #1

- June 5th 2009, 11:34 PM #2

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- June 6th 2009, 03:14 AM #3
Please post the context these questions come from.

If you're trying to calculate limits that have these forms then it's impossible to give you a specific answer without knowing the specific question.

Otherwise, you're asking questions that relate to transfinite arithmetic.