lim(n2+1/n+1-an-b)=0,求a,b
lim(n2+1/n+1-an-b)=0,求a,b
lim(n2+2n+2)/(n+1)-an)=b,求a,b
lim(n到无穷) n2/n+1+an+b=0.a=?b=?
已知lim(n2+1/n+1-an-b)=1求a,b 对了 那是n的平方 n趋近正无穷
lim[(n^2+1)/(n+1)-an-b]=o求a和b的值 lim[1/(a-1)^n]=0 求a的范围
lim (n→∞) (n^2/(an+b)-n^3/(2n^2-1))=1/4 求a,b
已知:lim (n→∞) [(n^2+n)/(n+1)-an-b]=1 ,求a,b的值
已知lim[(an^2+5n-2)/(3n+1)-n]=b,求a,b的值
a,b为常数.lim(n->无穷)an^2+bn+2/2n-1=3 求a,b
lim[{根号(n^2+an)}-(bn+1)]=b,求a
已知lim(n的平方+1/n+1+an-b)=1,求a,b的值
若lim(2n+(an^2-2n+1)/(bn+2))=1 求a/b的值