数列an满足a1=1,an-an-1=1/根号n+1+根号n,则an=
数列an满足a1=1,an-an-1=1/根号n+1+根号n,则an=
已知数列{an}满足,a1=2,a(n+1)=3根号an,求通项an
已知数列{an}满足a1=0,an+1=(an-根号3)/(根号3an+1) (n属于N+),则该数列中a20=____
已知数列{an}满足an>0,a1=3 根号下[a(n+1)]=(根号下an)+1 (n属于N*) 则an=?
已知数列an满足 a1=0,an+1=根号3倍的an再加1 分之an-根号3,n属于n*则a20等于?
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[
已知数列{an}满足a1=0 a(n+1)=(an-根号3)/(根号3an+1) (n属于N*),则a20=?
已知数列{an}满足an+1=an+n,a1等于1,则an=?
设数列{an}满足a1=2,an+1=an+1/an(n=1,2,3.),证明:an>根号下(2n+1).急用
数列{an}满足a1=1 an+1=2n+1an/an+2n
已知数列{an}满足an^2=a(n+1)an-1(n>=1),且a1=根号2,则与根号(a2005)最接近的自然数是
已知数列满足a1=1,根号a(n-1)-根号an=根号an*a(n-1),求an