若a>0,a^(3/4)=27,则log(1/3)a=
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27-1/ 若a>0,b>0,a*b>1,log(1/2)[a]=ln2,则log(a)[b]与log(1/2)[a]的关系是:()?(A)log(a)b< log(1/2)[a](B)log(a)b= log(1/2)[a](C)log(a)b>log(1/2)[a](D)log(a)b与log(1/2)[a] 无法比较大小我做到一半就做不下去了:a=(1/2)^(ln2)log
若a>0,a^(3/4)=27,则log(1/3)a=
若| log a 1/4 |=log a 1/4 ,| log b a |=-log b a 则 a b满足什么条件0<a<1 b>1log旁边的a在下面
log(2)3=a,则log(6)4=(
若a>0,a^(2/3)=4/9,则log(1/4)a=?
若a>0,a^(2/3)=4/9,则log(2/3)a=?
a,b,x 都是正数,4[log(a)x]²+[3log(b)x]²=8log(a)x*log(b)x,则a,b的关系
若log(根号3)a= -2log(3)7,则a=?
若log(2)3=(1-a)/a则log(3)12RT求详解
设a>0且a≠1,log a (xy)=√3,log a (ax)=3,则log a y=_____
1、若lg2=a,lg3=b,则lg√15=?(用a、b表达)2、若log(15)(5)=m,则log(15)(3)=(用m表示)3、log(2)(3)*log(3)(4)*log(4)(5)*log(5)(6)*log(6)(7)*log(7)(8)=?4、设log(3)(2)=log(2)(3^x),x=?这个对数函数我学的很不好,所以希望过
已知a^3=8/27(a>0),则log(3/2)a=
已知a的三次方=8/27(a>0),则log(3/2)a=?
已知a^(2/3)=4/9(a>0),则log(2/3)a=?
若log底数2[log底数3(log底数4)]若log底数2[log底数3(log底数4(x))]=log底数3[log底数4(log底数2(y))]=log底数4[log底数2(log底数3z)]=0,则x+y+z=
设a>b>1,log(a)b+log(b)a=10/3,则log(a)b-log(b)a=
若log(a)2=m,log(a)3=n,则a^2m+n=
log以3为底[log以4为底(log以5为底a的对数)]=log以4为底[log以3为底(log以5为底b的对数)]=0,则a/b是?计算