Помогите решить! Логарифмы

Question

Помогите решить! Логарифмы

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Answer 1

Log2 312.5+log2 0.0004=log2 312.5*0.0004=log2 0.125=log2 1/8=-3

Comments

144^log12^1/2 3=3^4=81

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log16(4*0.5^1/5)=1/5log16(4*1/2)=0.5/0.5log2 2=1

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log0.004log64(2*2^1/5)=log0.004 1/5 log64 4=1/2log0.2 0.2 1/3log4 4 =1/2*1/3=1/6

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5) b^2-a^3=0

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b^2=a^3 ,b=a^3/2

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loga под корнем a *a^3/6=loga a ^1/4=1/4