对数 方程 求解1)8(10^-x)+10^x= 6 2)10^3x-4(10^x)= 0 + 简化题请检查..自己算了下,但是不太确定.1)8(10^-x)+10^x= 62)10^3x-4(10^x)= 0简化,请检查.2/3 log x + 1/3 log xy^3= log ( x^2/3) +log ( (xy^3)^1/3) = log (x^2/3) +
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/07 14:36:59
![对数 方程 求解1)8(10^-x)+10^x= 6 2)10^3x-4(10^x)= 0 + 简化题请检查..自己算了下,但是不太确定.1)8(10^-x)+10^x= 62)10^3x-4(10^x)= 0简化,请检查.2/3 log x + 1/3 log xy^3= log ( x^2/3) +log ( (xy^3)^1/3) = log (x^2/3) +](/uploads/image/z/3996531-27-1.jpg?t=%E5%AF%B9%E6%95%B0+%E6%96%B9%E7%A8%8B+%E6%B1%82%E8%A7%A31%EF%BC%898%2810%5E-x%29%2B10%5Ex%3D+6+2%EF%BC%8910%5E3x-4%2810%5Ex%29%3D+0+%2B+%E7%AE%80%E5%8C%96%E9%A2%98%E8%AF%B7%E6%A3%80%E6%9F%A5..%E8%87%AA%E5%B7%B1%E7%AE%97%E4%BA%86%E4%B8%8B%2C%E4%BD%86%E6%98%AF%E4%B8%8D%E5%A4%AA%E7%A1%AE%E5%AE%9A.1%EF%BC%898%2810%5E-x%29%2B10%5Ex%3D+62%EF%BC%8910%5E3x-4%2810%5Ex%29%3D+0%E7%AE%80%E5%8C%96%2C%E8%AF%B7%E6%A3%80%E6%9F%A5.2%2F3+log+x+%2B+1%2F3+log+xy%5E3%3D+log+%28+x%5E2%2F3%29+%2Blog+%28+%28xy%5E3%29%5E1%2F3%29+%3D+log+%28x%5E2%2F3%29+%2B)
xRN@lSJm?n%:aG4"HAaQ$.x~M;<@Wvs==;)yhFZO@ڳc4~E(bYP 4j]AeP.N<~t||1&epΫᴑ_3
~6% M͂}THo<