If 0.999 = 1 then

0.00000000...1 = 0.00000000...2

multiply by some big number like 1000000000

1 = 2

contradiction

0.00000000...1 = 0.00000000...2

multiply by some big number like 1000000000

1 = 2

contradiction

If 0.999 = 1 then

0.00000000...1 = 0.00000000...2

multiply by some big number like 1000000000

1 = 2

contradiction

0.00000000...1 = 0.00000000...2

multiply by some big number like 1000000000

1 = 2

contradiction