设a>0,数列{an}满足:a0>0,a(n+1)=1/2(an+a/an),n=1,2,3.,求n趋于∞时lim an
设a>0,数列{an}满足:a0>0,a(n+1)=1/2(an+a/an),n=1,2,3.,求n趋于∞时lim an
设数列{an}中,a1=2,a(n+1)=an+n+1,求an
数列{an}中,a0=0,a1=1,2a(n+1)=2an+a(n-1),求an的通项公式.
已知数列an中满足a1=1且当n.=2时,2an*a*(n-1)+an-a(n-1)=0,求通项公式an
已知数列{an}满足a0=1,an=a0+a1+a2+...+a(n-1) (n≥2且n属于N*),则当n属于N*时an
已知数列{an}满足a0=1,an=a0+a1+a2+...+a(n-1)(n>=1),则当n>=1时,an=?
若数列{an}满足a1=根号6 a(n+1)=根号下an+6 (n∈N*) 如果lim an 存在,求lim an的值[
设正整数列a0,a1,...,an,...满足√【an*a(n-2)】-√【a(n-1)*a(n-2)】=2a(n-1)
已知数列{an}满足a1=33,a(n+1)-an=2n,求an/n的最小值
已知数列{an}的各项都是正数,且满足:a0=1,a(n+1)=an(4-an)/2,n∈N.
设数列{an}满足a1+3 a2+3^2 a3+……+3^n-1 an=n/3,a属于N* 求数列{an}的通项
设数列{An}(n≥0)定义如下:A0=A1=1, A(n+1)=14An-A(n-1).证明:对所有非负整数n,2An