Tag: intervals

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INTERVALS

(1) Closed Interval: Let a and b are two given real numbers such that \(\text{a}\,\text{}\,\text{b}\) , then \(\left[ \text{a,}\,\text{b} \right]=\left\{ x:x\in \text{R},\,a\le x\le b \right\}\) (2) Open Interval: Let a and b are two given real numbers such that \(\text{a}\,\text{}\,\text{b,}\) then \(\left] a,b \right[\) or \(\left( a,\,\,b \right)=\left\{ x:x\in \text{R},a<x<b \right\}\) (3) Closed-open Interval: Let […]