设数列{Xn}满足1gXn+1=1+lgXn,且X1+X2+X3.+X100=100,则lg(

设数列{Xn}满足1gXn+1=1+lgXn,且X1+X2+X3.+X100=100,则lg( 设数列{Xn}满足1gXn+1=1+lgXn,且X1+X2+X3.+X100=100,则lg(X101+X102+X103+...+X200)=数列{xn}满足lgx(n+1)=1+lgxn且x1+x2+x3+.x100=100则lg(x101+x102+x103+.x200)的值为 在等比数列{an}中前n项和为Sn,若S3=7,S6=63求公比q设数列{Xn}满足1gXn+1=1+lgXn,且X1+X2+X3.+X100=100,则lg(X101+X102+X103+...+X200}= 设各项均为实数的等比数列{Xn}前n项和为Sn,若S10=10,S30=70,S40=?在等比数列{an}中,前n项和为Sn,若S3=7,S6=63,求公比q设数列{Xn}满足1gXn+1=1+lgXn,且X1+X2+X3....+X100=100,则lg(X101+X102+X103+...+X200}= 设数列{xn}满足x1=1 xn=(4xn-1+2)/(2xn-1+7) 设数列{xn}满足xn+1=xn/2+1/xn,X0>0,n=0,1,2,3,...证明数列{xn}极限存在并求出其极限 设数列{Xn}满足x1=10,lgXn+1=1+lgXn,求通项Xn. 设数列{ Xn } 满足│Xn+1-Xn│≤k│Xn-Xn-1│,n=2,3,...(0 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=_____ 已知数列Xn,满足X1=1,Xn= 为什么xn=lg(1/n)不是收敛的数列? 函数f(x)=2x/x+2,设数列{xn}满足X(n+1)=f(Xn),且X1>0,求证:数列{1/Xn}是等差数列 数列与不等式的题目已知数列Xn满足 Xn=-(1/2)Xn-1^2 +Xn-1 +1,1 证明:若数列xn满足lim(Xn+1-Xn)=l,则limXn/n=l 已知x1=1/3 xn+1=xn2+xn-1/4求证 数列lg(xn+1/2)是等比数列 设函数f(x)定义如下表,数列{Xn}(满足X0=5,且对于任意的自然数n,均有Xn+1=f(Xn),求x2011 已知首项为x1的数列（xn）满足xn+1=(a*xn)/(xn +1) (a 为常数). 若递增数列Xn满足X1=1/2,且4Xn*Xn+1=(Xn+Xn+1-1/2)^2,求Xn