Question Number 62041 by mr W last updated on 14/Jun/19
Commented by mr W last updated on 14/Jun/19
$${i}\:{use}\:{these}\:{formulas}\:{to}\:{get}\:{real}\:{roots} \\ $$$${of}\:{cubic}\:{equations}. \\ $$$${maybe}\:{useful}\:{also}\:{for}\:{you}. \\ $$
Commented by mr W last updated on 15/Jun/19
