求极限lim(1-2/x+3/x^2)^x

求极限lim(1-2/x+3/x^2)^x 求极限lim(x+3)(2+cosx)/(x^2+x) 求极限lim(x-->0)x^2 sin(1/x), 求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限 求极限 lim [(3+x)/(6+x)]^[(x-1)/2]= x→∞求极限 lim [(3+x)/(6+x)]^[(x-1)/2]=x→∞ lim(1-x)^3/x 求极限~ 求极限lim(x→∞)(2x/3-x)-(2/3x)求极限lim(x→5)根号(x-1)-2/x-5 求极限,lim(x趋向于1)(x^2-2x+1)/(x^3-x) 求极限x->0lim(tg^2(2x)/x^3)(1-x/(e^x-1)) 求极限lim(x->0) 1/x^3 {[(2+cosx)/3]^x-1}求极限lim(x->0)1/x^3 {[(2+cosx)/3]^x-1} 求lim(1-x/2)^2/x x趋近与0的极限 求lim(1-x)^1/3x x趋近与0的极限 求lim(1-x/2)^2/x x趋近与0的极限 求lim(1-x)^1/3x x趋近与0的极限 求极限：lim(1+1/x)(2-1/x²) 求极限：lim(1-2x)^(1/x), 求极限lim【1-cosmx)/x^2】,x趋向0 求极限：lim(x*sin(1/x))^2 lim x->0(sqrt(sin(1/x^2)) 求极限 lim 1/2x x-->0 求极限