若lim[(an^2+bn+c)/(2n-3)]=-2,则a+b=
若lim[(an^2+bn+c)/(2n-3)]=-2,则a+b=
lim (n→∞) [(an^2+bn+c)/(2n+5)]=3,求a,b
若lim[2n+(an^2+2n+1)/(bn+1)=1,则a+b
lim(5n-根号(an^2+bn+c))=2,求实数a,b,c
a,b为常数.lim(n->无穷)an^2+bn+2/2n-1=3 求a,b
已知lim[(3n^2+cn+1)/(an^2+bn)-4n]=5,求常数a、b、c的值
若lim(2n+(an^2-2n+1)/(bn+2))=1 求a/b的值
lim[2n+(an^2-2n+1)/(bn+2)]=1,则点(a,b)坐标为
已知lim n→无穷 (an^2+bn+5)/(3n-2)=2,求a,b的值
lim[{根号(n^2+an)}-(bn+1)]=b,求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
数列极限的题目已知lim(n趋向无穷大)(5n-根号(an^2-bn+c))=2,求a,b的值