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Category: Algebra

Question-137700

Question Number 137700 by peter frank last updated on 05/Apr/21 Commented by mr W last updated on 05/Apr/21 $${it}'{s}\:{not}\:{true}! \\ $$$${example}: \\ $$$${b}={c}=−\mathrm{1},\:{a}=\frac{\mathrm{1}}{\:\sqrt[{\mathrm{3}}]{\mathrm{2}}} \\ $$$$\frac{\mathrm{1}}{{a}^{\mathrm{3}}…