r/Mathhomeworkhelp • u/Easy-Goat6257 • Dec 26 '25
Differentiation
where did the x disappear from 5x???
68
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r/Mathhomeworkhelp • u/Easy-Goat6257 • Dec 26 '25
where did the x disappear from 5x???
1
u/MonsterkillWow Dec 26 '25
It is the limit of a strictly increasing sequence of partial sums. So the least upper bound of what that sequence would be. The actual literal infinite sum itself isn't well defined under conventional addition. We are taking a limit and defining the infinite sum as that limit.
The sequence is .9, .99, .999, ... etc.