lim/x→0 x^3-3x^2+2/x^3-x^2-x+1利用罗比塔法则求极限

lim(x→0) (3x^2-5x+2), lim(x→0)2x^3-x+1 lim (x^3-x^2+4x)/(x^2+x) x→ 0 lim(x->0)((2-x)/(3-x))^1/x 求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限 lim x→0 (x^2+2x-1)/(x^3-2x)的极限是多少 lim(x→0)[tan(2x+x^3)/sin(x-x^2)] lim(x→0)[(1+X)(1+2X)(1+3x)-1]/x 1.lim x->∞ （2x/x^2+1)*cosx 2..lim x->∞{ [(x^2-x)arctanx]/x^3-x-5}3..lim x->0 （e^x-e^-x-2x)/(x-sinx) 4..lim x->0 (sinx-x)/(x^3) 5..lim x->0 (x^2*tanx)/(x-tanx) 6..lim x->0 (1+3/x)^2x 7..lim x->0 (1+2x)^(3/sinx) 8.lim x->∞ (x/1+x)^(x-3) 9..li 设lim（x→0）[f(x)-3]/x^2=100,求lim(x→0)f(x) 求极限 （（sin(x^3+x^2-x)+sin x) /x x→0 已知lim sinx/x=1 数学极限lim(x→0)((x^3)/(3*x^2-1)) lim(x→+无穷)(√x(x+2)-√(x^2-x+1)) lim(x→1)(tan(x-1))/(x^2-1) 1.lim x→0 3x/(sinx-x)2.lim x→0 (1-cosmx)/x^23.lim x→0 sin4x/[(√x+2)-√2]4.lim h →0 [sin(x+h)-sin(x-h)]/h lim x→0 sin2x/sin5xlim x→0 (1-cos2x)/x²lim x→0 in(1-x/2)^1/xlim x→∞ (1+2/x)^2x+1lim x→0 sin2x/sin5xlim x→0 (1-cos2x)/x²lim x→0 in(1-x/2)^1/xlim x→∞ (1+2/x)^2x+1lim x→3 (x-3)cos1/(x-3)lim x→0 (e^sinx-e^x)/(sinx-x) lim(x→1)(x^3-3x+2)/(x^3-x^2-x+1) lim(x→1)[(x^(3x-2)-x)sin2(x-1)]/(x-1)^3 lim x→∞(2x+1)/(3x-4) lim((√1+x^2)+x)/((√x^3+x)-x)x→+无穷大