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Continuous Function : Original Concept : Real Analysis : B.sc.Mathematics #realanalysis #continuousfunction

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For a video explanation, click here 👉 https://youtu.be/YKNZT-lU7_w   Here in this page , i completely explained the original meaning of a continuous function at a point on the domain in detail.   CONTINUOUS FUNCTION :      Definition :   A real valued function f : X → R is said to be continuous at a point a in X if " for a given  𝞊 > 0 ∃ 𝝳 > 0 such that | f (x) - f(a) | < 𝞊 whenever | x-a | < 𝝳 .  now here is the explanation of the above definition.   Before going to the definition, we should learn two things.    1.  | x - y | means the distance between x and y.    2 .  | x-a | < r means x lies in circle with center a and radius r.    Note : Here circle means the neighbourhood.        For convinince or easily understand, here iam considering a neighbourhood in the real line  as a circle.                 ...