福田の一夜漬け数学〜図形と方程式〜直線の方程式(4)直線群と2次方程式の解、高校2年生

2019 12:51
Synopsis
福田の一夜漬け数学だよ。 今回は数学IIの図形と方程式から直線群の応用例。2次方程式の解の存在範囲の問題を直線群を利用し ...
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