Question Number 141945 by Sammie last updated on 25/May/21
$$\mathrm{f}\left(\mathrm{x}\right)=\sqrt[{\mathrm{3}}]{\left(\mid\mathrm{x}\mid−\mathrm{1}\right)\left(\mid\mathrm{x}\mid−\mathrm{2}\right)^{\mathrm{2}} } \\ $$$$\mathrm{find}\:\mathrm{the}\:\mathrm{domain}\:\mathrm{of}\:\mathrm{f} \\ $$
Answered by MJS_new last updated on 25/May/21
$$\mathrm{if}\:\mathrm{we}\:\mathrm{use}\:\sqrt[{\mathrm{3}}]{−{t}}=−\sqrt[{\mathrm{3}}]{{t}}\:\forall{t}\in\mathbb{R}^{+} \Rightarrow\:{f}\left({x}\right)\:\mathrm{is}\:\mathrm{defined}\:\forall{x}\in\mathbb{R} \\ $$