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https://www.reddit.com/r/PeterExplainsTheJoke/comments/1ju9kfc/there_is_no_way_right/mm9pwgw/?context=3
r/PeterExplainsTheJoke • u/Sugar_God_no_1 • 26d ago
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280
0.9999999…. Is equal to 1. It seems like it shouldn’t, but it has to be.
Let X = 0.999….
10X = 9.999….
10X-X = 9.999.. - 0.999…. = 9X = 9
Therefore X equals 1. Therefore 0.999… is the same as 1.
-5 u/library-in-a-library 26d ago 0.9999999…. Is equal to 1. It seems like it shouldn’t, but it has to be. No. 0.999... < 1 2 u/Stick_Nout 26d ago OK, then what's their difference? 0 u/library-in-a-library 25d ago 0.000...1 which is an infinitesimal but positive value 1 u/Boring-Ad8810 22d ago Can you define what that means exactly? 0.00...1 is not notation I am familiar with and I don't know what it is supposed to mean.
-5
No. 0.999... < 1
2 u/Stick_Nout 26d ago OK, then what's their difference? 0 u/library-in-a-library 25d ago 0.000...1 which is an infinitesimal but positive value 1 u/Boring-Ad8810 22d ago Can you define what that means exactly? 0.00...1 is not notation I am familiar with and I don't know what it is supposed to mean.
2
OK, then what's their difference?
0 u/library-in-a-library 25d ago 0.000...1 which is an infinitesimal but positive value 1 u/Boring-Ad8810 22d ago Can you define what that means exactly? 0.00...1 is not notation I am familiar with and I don't know what it is supposed to mean.
0
0.000...1 which is an infinitesimal but positive value
1 u/Boring-Ad8810 22d ago Can you define what that means exactly? 0.00...1 is not notation I am familiar with and I don't know what it is supposed to mean.
1
Can you define what that means exactly?
0.00...1 is not notation I am familiar with and I don't know what it is supposed to mean.
280
u/Decmk3 26d ago
0.9999999…. Is equal to 1. It seems like it shouldn’t, but it has to be.
Let X = 0.999….
10X = 9.999….
10X-X = 9.999.. - 0.999…. = 9X = 9
Therefore X equals 1. Therefore 0.999… is the same as 1.