设{an},{bn},{cn}均为非负数列,且lim(n->无穷)an=0,lim(n->无穷)bn=1lim(n->无
lim(n->无穷)[(3n^2+cn+1)/(an^2+bn)-4n]=5
已知{an}{bn}都是公差不为0的等差数列.且lim(n趋近无穷)an/bn=2.求lim(n趋近无穷)(a1+a2+
a,b为常数.lim(n->无穷)an^2+bn+2/2n-1=3 求a,b
lim an =0 (n->无穷) 求证 lim(a1+a2+...+an)/n=0 (n->无穷)
极限证明题,设lim an=a(n趋于正无穷),lim bn=b(n趋于正无穷).用E-N法证明:lim(a0*bn+a
等差数列{an},{bn}的前n项和分别为An,Bn,切An/Bn=2n/3n+1,求lim(n→∞)an/bn
设lim n→无穷An=a 证明:lim n→无穷(A1+A2+...+An)/n=a
已知lim n→无穷 (an^2+bn+5)/(3n-2)=2,求a,b的值
lim n趋于无穷 ,an+1/an=q.求lim an=?
非负数列An Bn Cn 极限分别为 0 ,1, 正无穷.An*Cn Bn*Cn 有没有极限 分别是多少?
等差数列an,bn的前n项和分别为Sn,若Sn/Tn=2n/(3n+1),求lim an/bn
若lim[2n+(an^2+2n+1)/(bn+1)=1,则a+b