解方程:3X/1*2+3X/2*3+3X/3*4+3X/4*5+...+3X/2010*2011+3X/2011*2012=1
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 19:04:38
![解方程:3X/1*2+3X/2*3+3X/3*4+3X/4*5+...+3X/2010*2011+3X/2011*2012=1](/uploads/image/z/587802-66-2.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A3X%2F1%2A2%2B3X%2F2%2A3%2B3X%2F3%2A4%2B3X%2F4%2A5%2B...%2B3X%2F2010%2A2011%2B3X%2F2011%2A2012%3D1)
解方程:3X/1*2+3X/2*3+3X/3*4+3X/4*5+...+3X/2010*2011+3X/2011*2012=1
解方程:3X/1*2+3X/2*3+3X/3*4+3X/4*5+...+3X/2010*2011+3X/2011*2012=1
解方程:3X/1*2+3X/2*3+3X/3*4+3X/4*5+...+3X/2010*2011+3X/2011*2012=1
3x(1-1/2+1/2-1/3+……+1/2011-1/2012)=1
3x(1-1/2012)=1
6033x/2012=1
x=2012/6033