X2log2(0,3)-2log2(0,09)>0 X2log0,3(2)-2log0,3(4)>0. Created by Denis181999. matematika-ru

X2log2(0,3)-2log2(0,09)>0 X2log0,3(2)-2log0,3(4)>0...

Denis181999 @Denis181999

August 2022 1 10 Report

X2log2(0,3)-2log2(0,09)>0
X2log0,3(2)-2log0,3(4)>0

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sedinalana

Verified answer

1
x²*log(2)0,3-4log(2)0,3>0
log(2)0,3*(x²-4)>0
log(2)0,3<0⇒(x-2)(x+2)<0
x=2 x=-2
x∈(-2;2)
2
log(0,3)2*(x²-4)>0
log(0,3)2<0⇒(x-2)(x+2)<0
x=2 x=-2
x∈(-2;2)

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