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Mar 19, 2021 at 9:01 comment added Brain Stroke Patient @Byte_ This has nothing to do with $dt$ cancelling out btw. It's just how differentials are formally defined.
Mar 18, 2021 at 19:38 comment added Brain Stroke Patient @Byte_ en.m.wikipedia.org/wiki/Differential_of_a_function
Mar 17, 2021 at 17:36 comment added Byte _ Where exactly did you get that definition of a differential from? I could sort of see how the 'dt' cancels out, but I thought you could only do that type of substitution using change of variables
Mar 17, 2021 at 6:08 history answered Brain Stroke Patient CC BY-SA 4.0