lim(x³+2x)/(x-2)其中X趋于2
lim[(1-e^(-x))^1/2]/x x趋于0
x趋于0时,求lim(x-tanx)/x^2,
lim(arcsinx/x)(1/x^2)(x趋于0)
lim(x趋于0)[ln(1+2x)]/x
求极限 (1) lim x趋于1 x³-3x²+2x /x-1 (2)lim x趋于1 x²
lim x趋于0 f(x)/x^2=5 求lim x趋于0 f(x)=?
求极限 x 趋于0 lim(cosx)^1/(x^2)
lim x趋于0 ln (1+2x)/sin3x
lim x趋于0 (xcotx-1)/x^2的极限
lim(x趋于0时)secx - 1/x^2 ,
x趋于无穷大,求lim[根号下(x^2+x)]-[根号下(x^2-x)],
x趋于无穷大,求lim[根号下(x^2+x)]/[根号下(x^2-x)],