求lim(x趋于3)x^2-8/x-3
求极限 (1) lim x趋于1 x³-3x²+2x /x-1 (2)lim x趋于1 x²
求lim arctanx-x/ ln(1+3x+2x^3),x趋于0?
lim(2x^2+1/3x-1)•sin1/x. X趋于无穷大,求极限
lim(x趋于无穷)[(x+3)/(x^2-x)]*(sinx+2),求函数极限
lim(x趋于∞)[(x+1)/(x+2)]^3x=( )求计算过程
lim(3^x+9^2x)^1/x,x趋于无穷大,求极限!
求极限lim(x趋于0)(x-tanx)/(sinx)^3
lim(x趋于无限tanx)(tanx-x)/x^3等于多少.怎么求的? lim(x趋于0)(arctanx-x)/2(
lim[sin(x-3)]/√(1+x) -2 x趋于3求极限 急
x趋于无穷,求lim(x+3cosx)/(3x-2sinx)
求极限:lim(x趋于1)3x^2-x+2
求lim(x趋于1)(3x方-2x+1)