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Question Number 91470 by Zainal Arifin last updated on 01/May/20

∣x−3∣<0.1

$$\mid\mathrm{x}−\mathrm{3}\mid<\mathrm{0}.\mathrm{1} \\ $$

Commented byjohn santu last updated on 01/May/20

−0.1<x−3<0.1  ⇔2.9<x<3.1

$$−\mathrm{0}.\mathrm{1}<{x}−\mathrm{3}<\mathrm{0}.\mathrm{1} \\ $$ $$\Leftrightarrow\mathrm{2}.\mathrm{9}<{x}<\mathrm{3}.\mathrm{1} \\ $$

Commented byZainal Arifin last updated on 01/May/20

thank you sir . you are right

$$\mathrm{thank}\:\mathrm{you}\:\mathrm{sir}\:.\:\mathrm{you}\:\mathrm{are}\:\mathrm{right} \\ $$

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