已知lim((an2+5n-2)/(3n+1) -n)=b 求a b的值
已知lim((an2+5n-2)/(3n+1) -n)=b 求a b的值
已知lim[(an^2+5n-2)/(3n+1)-n]=b,求a,b的值
已知:lim (n→∞) [(n^2+n)/(n+1)-an-b]=1 ,求a,b的值
已知lim n→无穷 (an^2+bn+5)/(3n-2)=2,求a,b的值
lim (n→∞) (n^2/(an+b)-n^3/(2n^2-1))=1/4 求a,b
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
已知:1/n(n+1)=A/n + B/(n+1) 求A,B的值
已知lim(n的平方+1/n+1+an-b)=1,求a,b的值
已知lim[(3n^2+cn+1)/(an^2+bn)-4n]=5,求常数a、b、c的值
求极限lim(n→∞)(a^n+(-b)^n)/(a^n+1+(-b)^n+1)
已知1/n^2+3n=A/n+B/n+3,求ab?
已知(a^m+1 b^n+2)(a^2n-1 b^2m)=a^5 b^3,求m-3n的值