Physics
Senior High
Resolved
上から4行目の｢x≠±1｣になんでなるのか教えてください
=2
ま
別解 不等式から
≤0
両辺に(x+1)(x-1)2 (0) を掛けて mil
ME *
(3x - 5)(x+1)(x-1) ≤0,
x≠±1
0-A
よって
x<-1, 1<x≦
3x-5
(x+1)(x-1)
5
3
-1
15
5-3
ME 3
SHI
X
Answers
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