求lim(x-无穷){x/(2+x)}^3x的极限

lim(x趋近无穷)(1+2/x)^x怎么求 【求极限】(x趋向正无穷)lim((x^2)/arctanx). 求lim x(π/2-arctanx).x趋于无穷 求lim x->无穷(sin2/x+cos1/x)^x 求lim(x^2+2x)/(x^3-3x+2),x→无穷的极限 求lim (sin^2x+x)/(cos^2x-x) x趋向于无穷 lim(x/x-c)^x=2 x趋于无穷 lim(x+1/x+2)^x=?x趋于无穷 lim(x趋于无穷)(x/1+x)^(x+2)=? 求极限 lim x->无穷 ((2x-1)^30(x-2)^5) / (2x+1)^35 求极限 lim(3-2x/2-3x)^x ,x趋于无穷 求极限：lim(x→无穷）（2-x/3-x)的x+2次方 lim（x+2/x-2)X次方,求极限.x→无穷 求lim x趋向于无穷时(-X)/(2X^2+3x-1)答案 lim(x趋于无穷)[(x+3)/(x^2-x)]*（sinx+2）,求函数极限 急求lim(x趋向无穷)(2x-1/2x+3)^x-1 （9X^2+X）^(1/2)-3X lim X—>无穷 求limit lim(((x^2)/(1+x^2))^x）x趋向于无穷求大神详解