for which functions does | - | hold
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Originally Posted by maximus101 for which functions does hold Hint: Write that condition as . What does that tell you about ?
Hi, so I did the following: was obtained by = and dividing both sides by . so next I'm not sure how to connect this with ?
Originally Posted by maximus101 Hi, so I did the following: was obtained by = and dividing both sides by . so next I'm not sure how to connect this with ? The definition of is that it is equal to . If then that limit must be 0.
Originally Posted by Opalg The definition of is that it is equal to . If then that limit must be 0. ok thank you, if how did we deduce the limit must be 0? And how do we know it is continuous for all x and y. does this mean that f is the set of functions with derivative 0 at all x,y? so f is simply a constant.
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