Let X= {4,5,6.......} and A={4,5,6} and metric defined on X as d(x,y) | = x- y Find interior of A (1) Find limit points

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Let X 4 5 6 And A 4 5 6 And Metric Defined On X As D X Y X Y Find Interior Of A 1 Find Limit Points 1 (22.66 KiB) Viewed 40 times

Let X= {4,5,6.......} and A={4,5,6} and metric defined on X as d(x,y) | = x- y Find interior of A (1) Find limit points of A (2) Find closed ball B[4,1] (3)