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Question-74140




Question Number 74140 by MASANJAJ last updated on 19/Nov/19
Answered by Rio Michael last updated on 19/Nov/19
let he element be m    f(m) = 2  ⇒  4m−2=2  m = 1
$${let}\:{he}\:{element}\:{be}\:{m} \\ $$$$\:\:{f}\left({m}\right)\:=\:\mathrm{2} \\ $$$$\Rightarrow\:\:\mathrm{4}{m}−\mathrm{2}=\mathrm{2} \\ $$$${m}\:=\:\mathrm{1}\: \\ $$

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