b＞0,数列{an}满足：a1=b,an=nban-1/(an-1+n-1)(n≥2).⑴求数列{an}的通项公式⑵证明：对于一切正整数n,2an≤bn+1+1

设b＞0,数列an满足a1=b,an=nban-1/an-1+n-1（n≥2）求数列an通向公式. 设b＞0,数列an满足a1=b,an=nban-1/an-1+n-1（n≥2）求数列an通向公式 b＞0,数列{an}满足：a1=b,an=nban-1/(an-1+n-1)(n≥2).⑴求数列{an}的通项公式⑵证明：对于一切正整数n,2an≤bn+1+1 设b＞0,数列an满足a1=b,an=(nban-1)/（an-1 +2n -2）(n≥2).⑴求数列{an}的通项公式 设b＞0,数列{an}满足：a1=b,an=nban-1/(an-1+n-1)(n≥2).⑴求数列{an}的通项公式 ⑵证明：对于一切正整设b＞0,数列{an}满足：a1=b,an=nban-1/(an-1+n-1)(n≥2).⑴求数列{an}的通项公式 ⑵证明：对于一切正整数n 设b＞0,数列{an}满足：a1=b,an=nban-1/(an-1+n-1)(n≥2).⑴求数列{an}的通项公式 ⑵证明：对于一切正整设b＞0,数列{an}满足：a1=b,an=nban-1/(an-1+n-1)(n≥2).⑴求数列{an}的通项公式 ⑵证明：对于一切正整数n 设数列{an}满足：a1+a2/2+a3/3+a4/4……+an/n=An+B,其中A、B为常数.数列{an}是否为等差数列? 已知数列{an}满足a1=b,an=nban-1/an-1+n-1(n大于等于2）,求数列an的通项公式 数列[An]满足An+1-An+3=0,且A1=-5.求An. 设b>0,数列{An}满足A1=b,An=nbA(n-1)/A(n-1)+2n-2(n>=2).(1)求数列{An}的通项公式；(2)证明：对于一切正整数n,An 已知数列{an}满足a1=a,a2=b,a(n+1)=a(n+2)+an,求a2012 数列an满足a1=0,An+1=an+2n求a2009 数列an满足,a1=8且8an+1an-16an+1+2an+5=0 已知数列an满足a1=1,1/an+1=根号1/an^2+2,an>0,求an 数列an满足an+1=根号(an^2+1)+an,a1=a>0,求an通项公式 数列{an}满足:a1=1,an>0,an+1^2-an^2=1,那么an 已知数列｛an｝满足a1=1,an+1 -an+2an+1•an=0求通项 数列{an}满足:a1=1,an>0,an+1^2-an^2=1,那么an