若lim(an/bn)=a(a不为0) lim(an)=0证明lim(bn)=0
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+
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
若lim[(an^2+bn+c)/(2n-3)]=-2,则a+b=
若lim[2n+(an^2+2n+1)/(bn+1)=1,则a+b
已知数列{an}、{bn}都是公差不为零的等差数列,且liman/bn=3,求lim(b1+b2+……b3n)/(n*a
已知lim(3An+4Bn)=8,lim(6An-Bn)=1,求lim(3An+Bn)的值
已知lim(3an+4bn)=8,lim(6an-bn)=1,则lim(3an+bn)的值是多少
高数题 正数列{an},若有lim n→∞an=a≥0,证明lim n→∞√an=√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
大一高数证明题:若an>0,且lim(n→∞)a(n+1)/a(n)=a,则lim(an^(1/n))=a
lim(5n-根号(an^2+bn+c))=2,求实数a,b,c
lim (n→∞) [(an^2+bn+c)/(2n+5)]=3,求a,b