设数列{Xn}满足x1=10,lgXn+1=1+lgXn,求通项Xn.
设数列{Xn}满足x1=10,lgXn+1=1+lgXn,求通项Xn.
已知数列{xn}满足x1=2,x(n+1)=xn^3;设bn=lgxn,求数列{bn}的通项公式
已知an=lgXn,Xn=n/n+1
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/(
已知,点pn (n,xn)在函数y=2^x的图像上设yn=lgxn+lg(n+1)/n
设曲线y=xn+1(n∈N*)在点(1,1)处的切线与x轴的交点的横坐标为xn,令an=lgxn,则a1+a2+…+a9
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x1=3,x2=x1/2,...,xn=1/2(xn-1+xn-2),n=3,4,...,则xn等于
数列{Xn}中,X1>0,a>0,Xn+1=1/2(Xn+a/Xn).
已知数列{Xn}满足x1=1/2,xn+1=1/(1+xn),n∈N+,证明:|xn+1-xn|≤1/6*(2/5)^n
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X1=X2=1,Xn+1=Xn+Xn-1.令Tn=Xn+1/Xn 证明数列Tn收敛并求极限