Mathematics
Senior High
共通範囲を求める時に使う数字の決め方が分かりません
0を使うのはわかるのですがこの場合
x>-5 と x>2 のどっちを数直線に書けばいいんですか?
がけ算
2) log2(x+5)log2(x-2) =3
え7-5
7 2
X72
1092 (x+5)(え-2)-310g22
log(ス5X2-2) = leg22?
(スー5)(次-2)3 2
33
ス+32C-10:8
2
0231-2
(2t6)(x-3)-0
WA0 2:6.3
X=3
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