n→0时,求limn[ln(n 2)-lnn]

n→0时,求limn[ln(n 2)-lnn] limn^2(ln(a+1/n)+ln(a-1/n)-2lna) (a>0) n→∞ 求极限:limn→∞(n-1)^2/(n+1) 当n趋于无穷时limn【ln(1+n)-ln(n-1)】的极限 求limn→无穷(1+2^n+3^n+4^n+5^n)^1/n 求极限limn→∞开n次方(1^n+2^n+…+10^n) limn(ln(n加2)减lnn),中间是自然对数,n趋于无穷 求它的极限 求极限limn→无穷大(a^1/n+b^1/n)^n/2,(a>0,b>0) limn→∞,n/(√n^2+1)+(√n^2-1)求极限 求极限,limn^2{arctan(1/n)-arctan(1/1+n)}n→无穷. limn→∞(1+2^n+3^n)^(1/n) 求下列数列极限(1)limn→∞2n^3-n+1/n^3+2n^2;(2)limn→∞（-2)^n+3^n/(-2)^n+1+3^n+1(3)limn→∞(√n^2+n-n)(4)limn→∞1+2+3+.+n/n^2(5)limn→∞(n√1+n√2+.n√10)求过程. Limn趋于0时(a^-n+b^-n)^2/n怎么算? 几道求极限的题目(高手进)limn→∞((2^n)*n!/n^n)limx→0√(sin(1/x^2))limn→∞((1^p+2^p+…+n^p)/n^(p+1))(p>0)limx→0+(x/ln(e^x-1))0,0,1/(1+p),e 求limn→∞（（3^n+2^n)/(3^(n+1)-2^(n+1)））的极限求详解 求limn→∞ n次根号下(2+sin²n)的极限 求下列极限limn→∞[n^3(√(n^2+2)-2√(n^2+1)+n)] limn→无穷(a^(n+1)-b^(n+1))/(a^n+b^n)=2求b取值