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Mathematics, 30.06.2021 19:50 kelleemaebarnha
In WA2 Q3(b) you showed that f is not continuous. Thus the existence of all directional derivatives does not guarantee continuity. However: if all the directional derivatives of a function g(x, y) exist and are continuous at (a, b), then g must be continuous at (a, b). Explain why.
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In WA2 Q3(b) you showed that f is not continuous. Thus the existence of all directional derivatives...
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