[中學] 多項式求極值
先說明一下,這題不要用微分,因為我們文組沒有學微分><
題目:
設X屬於R(實數),則當X=??時,f(x)=x^2+x+7+(4/x^2+x+1)有最小值
唉~這題我完全沒頭緒>< 拜託了!><
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05/18 22:11, , 1F
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05/18 23:25, , 14F
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08/13 16:52, , 16F
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