设数列{ Xn}满足0
设数列{Xn}、{Yn}、{Zn}满足Xn
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│Xn+1-Xn│≤k│Xn-Xn-1│,n=2,3,...(0
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
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/(
设数列{Xn}满足x1=10,lgXn+1=1+lgXn,求通项Xn.
设数列{Xn} 对任何n、m有 0≤Xn+m≤Xn+Xm 求证Xn/n收敛
已知数列xn满足xn-xn^2=sin(xn-1/n),证明xn的趋向正无穷的极限为0
设数列an=n3+Xn(n属于N),且满足a1
设数列Xn有界,lim(yn)=0,证明lim(xn*yn)=0
设函数f(x)定义如下表,数列{xn}满足x0=5,且对任意的自然数均有xn+1=f(xn),则x2011