解方程:(1-3x)/(1+3x)+(3x+1)/(3x-1)=12/(1-9x^2)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 00:59:19
![解方程:(1-3x)/(1+3x)+(3x+1)/(3x-1)=12/(1-9x^2)](/uploads/image/z/121734-54-4.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A%EF%BC%881-3x%EF%BC%89%2F%EF%BC%881%2B3x%EF%BC%89%2B%EF%BC%883x%2B1%29%2F%EF%BC%883x-1%EF%BC%89%3D12%2F%281-9x%5E2%29)
解方程:(1-3x)/(1+3x)+(3x+1)/(3x-1)=12/(1-9x^2)
解方程:(1-3x)/(1+3x)+(3x+1)/(3x-1)=12/(1-9x^2)
解方程:(1-3x)/(1+3x)+(3x+1)/(3x-1)=12/(1-9x^2)
:(1-3x)/(1+3x)+(3x+1)/(3x-1)=12/(1-9x^2)
(1-3x)²-(1+3x)²=12
1-6x+9x²-1-6x-9x²=12
-12x=12
x=1
X=-1