【哥哥姐姐Afarmerwantstofenceanareaof1.5millionsquarefeetinarectangularfieldandthendivideitinhalfwithafenceparalleltooneofthesidesoftherectangle.Howcanhedothissoastominimizethecostofthefence?(Givethe】
哥哥姐姐
Afarmerwantstofenceanareaof1.5millionsquarefeetinarectangularfieldandthendivideitinhalfwithafenceparalleltooneofthesidesoftherectangle.Howcanhedothissoastominimizethecostofthefence?(Givethedimensionsinincreasingorder.)