請問一題統計學-當遇到一元三次方程式時 - 考試
By Carolina Franco
at 2015-05-13T19:16
at 2015-05-13T19:16
Table of Contents
剛才在解張翔的統計學700題
遇到一題要解一元三次方程式的題目如下
http://i.imgur.com/P1mJKCb.jpg
突然發現自己不會解一元三次方程式 orz
請問遇到這類題目時
是不是乾脆直接猜根是多少
再去分解湊答案呢?
謝謝
--
不過要是這題答案的根是5/7之類奇怪的數字的話我應該也猜不出來 = =a
--
遇到一題要解一元三次方程式的題目如下
http://i.imgur.com/P1mJKCb.jpg
突然發現自己不會解一元三次方程式 orz
請問遇到這類題目時
是不是乾脆直接猜根是多少
再去分解湊答案呢?
謝謝
--
不過要是這題答案的根是5/7之類奇怪的數字的話我應該也猜不出來 = =a
--
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