Question

x^log2(x+2)=8 解对数方程.

Answer 1

e^x^log2(x+2)=e^8 -> log2(x+2)=e^8 -> log2+log(x+2)=e^8

-> log(x+2)=e^8-log2

等式右面是一个常数,设它为m,则x+2=e^m