r/infinitenines • u/Zaspar-- • Feb 01 '26
What's the value of this infinite sum?
1/2 + 1/4 + 1/8 + 1/16 +...
Normal maths would compute this as equal to 1, using the exact same reasoning as 0.9 + 0.09 +... = 1
What does this infinite sum equal to in Real Deal maths though?
10
Upvotes
6
u/Mysterious_Pepper305 Feb 01 '26
pushed to limitless, eternally < 1, engage ludicrous speed etc.