证明当n趋向于无穷时数列an=(1*3*5*7*...*2n-1)/(2*4*6*8*...*2n)
证明当n趋向于无穷时数列an=(1*3*5*7*...*2n-1)/(2*4*6*8*...*2n)
计算数列极限,当N趋向于无穷时,根号下(N^2+4N+5)-(N-1)的极限
用数列极限的定义证明:lim(3n+1)/(2n+1)=3/2 ,当n 趋向于正无穷时.
(n+2)^3/(n+1)^4的极限(当n趋向于无穷)
大一高数题,数列极限用定义证明:(1).lim3n+1/2n+1(n趋向于无穷)=3/2;(2)lim0.999…9}n
设正数数列{an}是个等比数列 且a2=4 a4=16求lim(n趋向于无穷)(lga(n+1)+lga(n+2)+..
已知xn=n+2/2n+3 证明n趋向于无穷xn的极限是1/2
依据极限定义证明lim{(n^2+a^2)/n}=1 n趋向于无穷时
利用数列极限的定义证明下列极限 lim(n趋向于无穷)n^2+1/n^2-1=1
证明n趋向无穷时,5n^2/(7n-n^2)的极限等于-5
n^2/3^n当n趋向于无穷时求极限
微积分求极限 n趋向于无穷 (根号(n^4+n+1)-n^2)(3n+4) 为什么是1.5