解方程…Log(2为底)x-1=2-log(2为底)x+1

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/28 21:09:38
解方程…Log(2为底)x-1=2-log(2为底)x+1解方程…Log(2为底)x-1=2-log(2为底)x+1解方程…Log(2为底)x-1=2-log(2为底)x+1Log2(x-1)=Log

解方程…Log(2为底)x-1=2-log(2为底)x+1
解方程…Log(2为底)x-1=2-log(2为底)x+1

解方程…Log(2为底)x-1=2-log(2为底)x+1
Log2(x-1)=Log2(4)-Log2(x+1)
Log2(x-1)=Log2[4÷(x+1)]
x-1=4÷(x+1)
x=±根号5
∴x=根号5