Question Number 89086 by M±th+et£s last updated on 15/Apr/20
$${show}\:{that} \\ $$$$\sqrt[{\mathrm{3}}]{\frac{\mathrm{2}}{\mathrm{3}}−\frac{\mathrm{5}\sqrt{\mathrm{33}}}{\mathrm{18}}}+\sqrt[{\mathrm{3}}]{\frac{\mathrm{2}}{\mathrm{3}}+\frac{\mathrm{5}\sqrt{\mathrm{33}}}{\mathrm{18}}}=\mathrm{1} \\ $$
Commented by MJS last updated on 15/Apr/20
$$\mathrm{it}'\mathrm{s}\:\mathrm{wrong}. \\ $$