lim(x^3-x^2-2x+1)/(2x^3_3x^2+x-2)(x趋近于2)

求极限lim(x趋近于2)(ln(x^2-3)/(x^2-3x+2)) lim(tan^3(3x)/(X^2sin(2x))(x趋近于0） 求极限 lim（2^x+3^x -2）/x 当X趋近于0 lim(1/(x^2-x)+2/(x^2-x)) x趋近于0 lim (sqrt(x+2)-sqrt(x))/(sqrt(x+1)-sqrt(x)) (X趋近于正无穷) 求lim((2x^2+x-4)/3x^3-x^2+1),X趋近于无穷大时的值 求极限lim((1-x)^0.5-3)/(2+x^(1/3)) (x趋近于-8) 高等数学极限lim[x^(1/2)-1]/[x^(1/3)-1)] x趋近于1 lim(x趋近于0)[sin6x+xf(x)]/x^3=0,则lim(x趋近于0)[6+f(x)]/x^2=? lim x趋近于0 （arctanx-x）/ln(1+2x^3)答案是多少? lim((x^2)/(x^2)+1)^x x趋近于无穷大 lim(x趋近于0)[1/ln(x+根号1+x^2)-1/ln(1+x)]