What is infinity plus 2?
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Infinity.

Explanation:

Infinity isn’t a number, it’s a concept. You could write this as simply infinity + 2, but infinity is just... infinity, there’s no end, it’s not a number.

Answer - When you'll add any number to infinity it's infinity again because we don't have any finate value to calculate the exact answer answer

so the answer is, ∞+2 = ∞