Mathematics
Senior High
同じになりません何が違うのかわかりません
理する
1)x2-2(m²-1)x+m² -1=0
と
CLUE
2={-(m²-1)-(m²+1)(m²-1)
=(m²-1){(m²-1)-(m²+1)}
=-2(m²-1)=-2(m+1)(m-1)
異なるの占で交わるための条件け
DO
(M) (1)
(m²_2m² + 1) - m²
点
--((1/2) = 2
コム(1-
0 ² 1 3 7 24 (1-²1) 2-X ()2M)
@=/=, 2017 x6,2x7₂2
・・・・ ② が異なる
€
ム
を①に代入
= 1 ….. ① と直線y=mx-m
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