解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11?12解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11/12

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 21:19:16
解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11?12解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11/12
x){|i;趪Ш572AG ˴LKM(`khhohD}C#"}2,"G6;:zi{=ٱ 3jkӆҺ@ \KM&](@ CC-c8 C}#MPF]F 16`-XgMG8NOOI f`X`Uxa㋅=Ova*(I>

解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11?12解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11/12
解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11?12
解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11/12

解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11?12解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11/12
变形为
1/x-1/(x+1)+1/(x+1)-……+1/(x+9)-1/(x+10)=11/12
1/x-1/(x+10)=11/12
x1=-5-1/11*4345^(1/2)
x2=-5+1/11*4345^(1/2)

=1/(x-1)-1/x+1/x-1/(x+1)...=1/(x-1)-1/(x+10)=11/12
解1/(x-1)-1/(x+10)=11/12 就行了

zero