lim(x→0) (3x^2-5x+2),

lim(x→0) (3x^2-5x+2), 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 lim(x→0)2x^3-x+1 求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限 烦人的数学微积分1、lim(x→0)Sin3x/Sin2x2、lim(x→0)x/3*Sin3x3、lim(x→0)[Xsin(3/x)+(tanx/2x)]4、lim(x→3)Sin(x-3)/(X^2-X-6)5、lim(x→∞)[1+(1/2x)^x6、lim(x→∞)(x+3/x)^x7、lim(x→0)（1-x/2)^1/x+118、求下列函数的间断 lim (x^3-x^2+4x)/(x^2+x) x→ 0 lim(x→0)e^x-x-1/x^2 lim(x→0)[e^x-e^(2x)]/x lim(x->0)((2-x)/(3-x))^1/x 设lim（x→0）[f(x)-3]/x^2=100,求lim(x→0)f(x) 已知lim(x→0）[f(3x)/x]=3 求lim(x→0) [2x/f(5x)] 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(1-x)^(2/x) x->0 lim x→0 (x^2+2x-1)/(x^3-2x)的极限是多少 lim(x→∞)[(X^2+2x+5)/(3x^2-x+1) = lim(x→0)[tan(2x+x^3)/sin(x-x^2)] lim(x→0)[(1+X)(1+2X)(1+3x)-1]/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