[log3(4)+log根下3(2)][log2(9)+log4(根3)]题目是(log以3为底4的对数+log以根3为底2的对数)(log以2为底9的对数+log以4为底根3的对数)

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 18:33:40

[log3(4)+log根下3(2)][log2(9)+log4(根3)]题目是(log以3为底4的对数+log以根3为底2的对数)(log以2为底9的对数+log以4为底根3的对数)
[log3(4)+log根下3(2)][log2(9)+log4(根3)]
题目是(log以3为底4的对数+log以根3为底2的对数)(log以2为底9的对数+log以4为底根3的对数)

[log3(4)+log根下3(2)][log2(9)+log4(根3)]题目是(log以3为底4的对数+log以根3为底2的对数)(log以2为底9的对数+log以4为底根3的对数)
[log3(4)+log根下3(2)][log2(9)+log4(根3)]
=[lg4/lg3+lg2/lg根下3][lg9/lg2+lg根3/lg4]
=[2lg2/lg3+2lg2/lg3][2lg3/lg2+1/4lg3/lg2]
=4lg2/lg3*9/4lg3/lg2
=9

[log3(4)+log√3(2)][log2(9)+log4(√3)]
=[log3(4)+log√3(√4)][log2(9)+log2^2(3^(1/4))]
=[log3(4)+log3(4)][log2(9)+log2(3^1/4)]
=2log3(4)*log2(9*3^1/4)
=2log3(4)*log2(3^1/2)
=log3(4)*log2(3)
=2log3(2)*log2(3)
=2

[log3(4)+log根下3(2)][log2(9)+log4(根3)] lg5×log(根号下10)20+(lg2^根号2)^2—3^log3(1) [log3(4)+log根下3(2)][log2(9)+log4(根3)]题目是(log以3为底4的对数+log以根3为底2的对数)(log以2为底9的对数+log以4为底根3的对数) 求值:2log3(这个3是角标)2-log3(角标)32/9+log3(角标)8-5log lg^5*log根下10^20+(lg2^根下2)^2-3^(log3^(2-1)) 已知log(32)9=p,log(27)25=q,适用p,q表示lg5p=log32(9)=2/5×log2(3)=2/5×1/log3(2)∴log3(2)=2/5pq=log27(25)=2/3×log3(5)∴log3(5)=3q/2lg5=log3(5)/log3(10)=log3(5)/[log3(2)+log3(5)]=15pq/(4+15pq)结果怎么出来的? Log3/4(4/3)与log₃4与log₄3的大小 9+log√2 27)(log27 4+log3√3 8) 数学题计算log4 8-log1/9 3+log根号2 1/4计算log4 8-log1/9 3+log根号2 1/4计算【3^(log3 根号5)】+【根号3^(log3 1/5)】 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 (log2(5)+log4(125))×log3(2)/log根号3(5) 解不等式log3(3^x-1)*log(3^(x+2)-9) log3 8 除以log 2 9 (2和3是底数) 计算 log23*log3 1/2计算log(根号2)2*根号2+log(2)3*log(3)1/2=()中的为底数 后面的为真数, 化简(log四为底3+log八为底3)(log3为底2+log九为底2)我会加分的- - 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 函数也方程数学题log3(x^2-10)=1+log3(x)求解log后的3是下标,我打不出来而已!