x^6=8,x=?这怎么解啊,能用log表示吗?
log 8 16=x 怎么解
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+l
f(x)=-log(tanh(abs(x)/2));怎么用matlab函数表示
logx-logy=log(x-y),用y表示x,
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
若3的x次方=2,则log(2)9-log(3)8用x表示的代数式为
log₂log₃log₄ X=log₃log₄logS
log(x+5)=log(x)+log(2) log(8)+log(x)=log(24) 2log(x)=log(2x)
4^log(4)[x^2]+3^log(9)[6x]=log(2)[16]
Log 下标X 中标5=3 ,怎么求X