3^a=2,则log3 8-2log 3 6=?
来源:学生学帮网 编辑:学帮网 时间:2024/07/02 10:43:16
3^a=2,则log3 8-2log 3 6=?
3^a=2
a=log3 2
log3 8-2log 3 6
=log3 2^3-2log 3 2*3
=3log3 2-2(log3 2+log3 3)
=3a-2(a+1)
=a-2
Log3 2=a,则Log3 8-2log3 6用a咋表示就是3^a=2,后面也是这样的不用Log只用a
3^a=2,则log3 8-2log 3 6=?
如果2^a=3^a+1, 证明a=log3/log(2/3)
log3 4×log4 8×log8 a=log根号3 9,则a=
求值:2log3(这个3是角标)2-log3(角标)32/9+log3(角标)8-5log
3^a=2,则log3^8-2log3^6=
3^a=2则log3(8)-2log3(6)等于多少
设a=log3π,b=log3根号3,c=log3根号2比较abc1、设a=log(3)π,b=log(2)根号3,c=log(3)根号2比较a、b、c的大小2、已知f(log(4)x)=x则f(1/2)等于A、1/4 B、1/2 C、1 D、2
已知log3(2)=a,3^b=5,则用a,b表示log(3)根30为
已知log3(2)=a,3^b=5,则用a,b表示log(3)根30为
log(2x)+log(3y)-log(2z) 怎么化简?log3(x^2-2x-6)=2 log(3x+6)=1+log(x)求解,求每步详...log(2x)+log(3y)-log(2z) 怎么化简?log3(x^2-2x-6)=2 log(3x+6)=1+log(x)求解,
(log2 5+log4 125)log3 2/ log根号3 5
(log3 4+log3 8)(log2 3+log2 9)+(log3 根号2)(log9 7)/(log1/3 7)(log三次根号4 8)
log3 18-2log3 √2=?3是log下面的
log2(3)+log3(5)+log3(2)=?
等比数列a2a9=3,则log3^a1+log3^a2+...+log3^a9+log3^a10=? A 2 B 3 C 4 D 5(要详细过程)
设log3;7=a,log2;3=b则LOG2;7=LOG后面的3,2,2均为角标
若3a(3的a次方)=2 则 2log3 6 - log3 8=