lim(2^1/3)*(4^1/9)*(8^1/27)*...*[(2^n)^(1/3^n)]=lim(2^1/3)*(4^1/9)*(8^1/27)*...*[(2^n)
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lim(2an+4bn)=1 lim(3an-bn)=2 求lim(an+bn)
lim(2an+4bn)=1 lim(3an-bn)=2 求lim(an+bn)
计算下列极限:1)lim(n→∞) 1/n3 2)lim(n→∞)4n+1/3n-11)lim(n→∞) 1/n3 2)lim(n→∞)4n+1/3n-13) lim(n→∞) (1/3)n4)lim(n→∞)n3+2n-5/5n3-n 5) lim(n→∞)(1+1/2n)n 6) lim(n→∞)2x3-x2+1/3x2+2x-9 7) lim(x→0 )sin3x/sin7x8)
数学难题,求指教~~极限到底是什么玩意我还不懂.1.lim(x^2-2x+6)2.lim(x^2-4)/(x-2)3.lim(x^2-6x=8)/(x^-5x=4)4.lim[1/(1-x)-1/(1-x^3)5.lim(sin2x)/x^26.lim(sin5x)/x7.lim(tan3x)/(sin7x)8.lim[(1+x)/x]^2x例如这道例题~lim[(1/3)x+1]
已知lim(3an+ 4bn)=8,lim(6an-bn)=1,则lim(2an +bn)的值是多少?
极限的简单运算lim an=3, lim bn=1/3, 求lim ((an-3bn)/2an)
lim(3^2n+5^n)/(1+9^n)=?
lim(n+3)(4-n)/(n-1)(3-2n)
lim(n^3+n)/(n^4-3n^2+1)
lim(x->2) {(3x+16)^1/2-4}/x
二、求极限:1)lim(x²-9/x-3) ; 2)lim(x²-1/1-根号下x) x→3 x→13)lim(x²-1/x-1) 4)lim(sin4x/tan5x) 5)lim(1+2/x)3x平方 x→2 x→0 x→06)lim[ln(1+2x)/3x]x→0
lim[(4+7+...+3n+1)/(n^2-n)]=
lim x→∞(2x+1)/(3x-4)
lim(2^1/3)*(4^1/9)*(8^1/27)*...*[(2^n)^(1/3^n)]=lim(2^1/3)*(4^1/9)*(8^1/27)*...*[(2^n)
求极限lim 2/(3^n-1)
lim(n→无限大)An=1+1/3lim(n→无限大)*(1+4/9+(4/9)^2...+(4/9)^(n-2))
lim(1/n+2/n+3/n+4/n+5/n+……+n/n)=lim(1/n)+lim(2/n)+……+lim(n/n)成立吗?(n趋近于无穷大)为什么不成立?
{An}{Bn},若lim(3An+Bn)=8,lim(6An-Bn)=1求lim(4An-Bn)与lim(AnBn)的值