lim(x→0)an^2+3n_2/(n_1)^2=3.求a.
m-n_2=2 2m+3n=12
lim (n→∞) [(an^2+bn+c)/(2n+5)]=3,求a,b
设lim(x→0)[f(x)-3]/x^2=100,求lim(x→0)f(x)
lim(sin3x/x^3+a/x^2)=b (x趋于0) 求a,b
数列极限的运算lim an/(an+1) =2 求lim 2anlim (2n+1)*an=3 求lim n*an
求极限lim[(a^x+b^x)/2]^1/x (x→0)a>0,b>0 lim【x→0】[(a^x+b^x)/2]^(
lim(x^2+x+a)/(x-1)=3 X趋向于1 求a
求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限
求极限当x→0若lim[sin6x+x f(x)]/x^3=0,求lim[6+ f(x)]/x^2
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→无穷 (an^2+bn+5)/(3n-2)=2,求a,b的值