Question Number 164515 by ajfour last updated on 18/Jan/22 | ||
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Commented by ajfour last updated on 18/Jan/22 | ||
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$${Find}\:{x}\:{in}\:{terms}\:{of}\:{c},\:{even}\:{when} \\ $$$$\:\:\:\:\:{c}<\frac{\mathrm{2}}{\mathrm{3}\sqrt{\mathrm{3}}}\:. \\ $$ | ||
Commented by mr W last updated on 18/Jan/22 | ||
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Commented by mr W last updated on 18/Jan/22 | ||
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$${x}^{\mathrm{3}} ={x}+{c} \\ $$$${x}^{\mathrm{3}} −{x}−{c}=\mathrm{0} \\ $$$$....\:{cardano}\:{or}\:{trigonometry} \\ $$ | ||