(2n^3+n^2-6n+7)/(3n^3+4n^2-1),n趋向于无穷时的极限值是多少

(n+2)^3/(n+1)^4的极限(当n趋向于无穷) 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 求极限 n趋向无穷 2^n+1 + 3^n+1/2^n+3^n lim(n趋于无穷)[n(n+1)/2]/n方+3n的极限是多少? n^2/3^n当n趋向于无穷时求极限 当n趋向于无穷时,求(n+3*（n^0.5）)^0.5 - (n-n^0.5)^(1/3)的极限 . 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 求 证Lim ( n/ n2+1) + (n/ n2+2) +( n/ n2+3).+(n/n2+n)当n趋向无穷时的极 当n趋向无穷时,２的n次方除３的n次方的极限 1、lim((4^n-3^（n+1)))除以((2^(2n+1))+3^n) 当n 趋向于无穷 求极限 证明当n趋向于无穷时数列an=(1*3*5*7*...*2n-1)/(2*4*6*8*...*2n) n趋向正无穷时,[(2n-1)!/(2n!)]的极限是多少?