Mathematics
Senior High
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これで合ってますか💦??
練習 2次方程式式x+mx-m+3=0が重解をもつように, 定数mの値を定め
問6 例題
20
31
よ。また,そのときの重解を求めよ。
重件+ 個都1つ-D-0
2
7tmoc-mt3=0
Co
判 m- 4x1 x (-mt3)
2
Mt 4m-|2
O
(m-2)(m+6)
m = 2-6
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答え方は
M=2.−6ではないんですか!?