x^6=8,x=?这怎么解啊,能用log表示吗?已知f(x^6)=log2 x 那么f(8)=?怎么算?
x^6=8,x=?这怎么解啊,能用log表示吗?已知f(x^6)=log2 x 那么f(8)=?怎么算?
log 8 16=x 怎么解
2log(x)(25)-3log(25)(x)=1怎么解X啊.急
2 log(3x)= log 4 +log(6-x)怎么求...急
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,
解方程log(x+1)-log(x-1)=1.
log 8下标 (X-6)+ log 8小标 (x+6)=2 求X
解方程 log2(x+14)+log(x+2)=log(x+6)+3
log(9)x+log(x^2)3=1的解为?原方程可可化为log(3 ²)x+log(x)²3=1 ,∴1/2*log(3)X+1/2*log(x)3=1,∴[log(3)x]²-2log(x)3+1=0,即[log(3)x-1]²=0请问这里的[log(3)x]²-2log(x)3+1=0是怎么推出来的,刚学基础不好,
log(x+5)=log(x)+log(2) log(8)+log(x)=log(24) 2log(x)=log(2x)+log(3)
log(2x)+log(3y)-log(2z) 怎么化简? log3(x^2-2x-6)=2 log(3x+6)=1+log(x)求解.
解方程x=log(x)
方程log(2^x+1)+log(2^x+2)=log2 6的解
matlab函数表达中的@是怎么使用的?>> f=@(x)(log(x)-x)f=@(x)(log(x)-x)|Error:identifier expected,( found.请问这是怎么回事?
数学y=log(3)x+4log(x)3怎么化成y=log(3)x+4/log(3)x?
解方程:log√x 2x=4log√x 2x=4
可以说log a x +log a y=log a
Log 下标X 中标5=3 ,怎么求X