已知数列{Xn}满足Xn+1=Xn^2+Xn,X1=a(a-1),数列{Yn}满足Yn=1/(Xn+1),设Pn=X/(Xn+1)_数学解答

已知数列{Xn}满足Xn+1=Xn^2+Xn,X1=a(a-1),数列{Yn}满足Yn=1/(Xn+1),设Pn=X/(Xn+1),Sn=Y1+Y2+...+Yn,则aSn+Pn=_____

人气：485 ℃　时间：2020-05-01 02:05:59

解答

列{Xn}满足Xn+1=Xn^2+Xn,X1=a(a-1),数列{Yn}满足Yn=1/(Xn+1),设Pn=X/ (Xn+1),Sn=Y1+Y2+...+Yn,则aSn+Pn=_1____