计算1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+2013)(x+2014)要过程

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/09 05:57:12
计算1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+2013)(x+2014)要过程
xJ0_Vjy.RcsUZ=8p0ac"k7aKW0I3I |GcN>"#]tmgO0ّߵzlXYO^}( ;|͕S:ZAy\R$r]fQغv۔KCʟVP̀M5eҬ9[YmCVzZ,O^;FYhkl,

计算1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+2013)(x+2014)要过程
计算1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+2013)(x+2014)要过程

计算1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)+……+1/(x+2013)(x+2014)要过程
=(1/x-1/x+1)+(1/x+1 -1/x+2)+(1/x+2 -1/x+3)+...+(1/x+2013 -1/x+2014)
=1/x - 1/x+2014
=(x+2014-x)/x(x+2014)
=2014/x平方-2014x
手机提问的朋友在客户端上评价点【满意】即可.
互相帮助,祝共同进步!

1/(x+2014)