求lim(x→8）[(9+2x)^0.5-5]/[x^(1/3)-2]

求lim(x→8）[(9+2x)^0.5-5]/[x^(1/3)-2] 求极限（1) lim(x→2）（3x²-2x-1）/（2x³-x²+5）（2）lim（x→ 求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限 求极限 1,lim(x→∞）（sinx/x +100) 2,lim(x→∞）xtan1/x 3,lim(x→1）sin^ 求极限lim(x→∞)[(2x+5)/(2x+3)]^(x+1) 求极限 lim（x->3）(x+1)/(x^2-5x+6) 设lim（x→0）[f(x)-3]/x^2=100,求lim(x→0)f(x) 求极限值,limx→（x^2-1/x-1）和lim x→∞（2x^3-3x^2+4/5x^3+x-7)谢谢! 1.4求极限lim(x→∞) (x^2+x)/ (x^4-3x^+1) 已知lim(x→0）[f(3x)/x]=3 求lim(x→0) [2x/f(5x)] 求函数极限 lim(x->1)(4/(1-x^4)-3/(1-x^3)) lim(x->无穷大）（x^7(1-2x)^8 求极限lim(1-2/x+3/x^2)^x