求大神解答：lim{xsin(2/x)+(2/x)sinx}等于什么?x趋于0

求大神解答：lim{xsin(2/x)+(2/x)sinx}等于什么?x趋于0 求lim(n→0)[sin2x/x-xsin(2/x)] lim xsin(2/x) x→∞ 求极限lim(x→0){(2x-sin2x)/xsin^2x} 求极限lim{[(sinx)/x]+xsin(1/2x)}x趋向无穷大, lim(x→∞)[sinx/x+xsin(1/2x)]答案是1/2.求过程 lim x→∞ xsin(1/x)求极限 lim(x→∞) xsin(5/x)求极限 lim(x->∞)[ xsin(2/x)+(cosx^2)/(x^2)] 极限lim x 趋无穷(sin5x/x-xsin(2/x)) 求不定积分,xsin^2x lim(x→0)xsin *1/x^2 求(x-tanx)/(xsin^2x)的极限lim(x趋于0)x^2e^(1/x^2) lim(x趋于0+)x^sinx lim(x->0) xsin(1/x)这题有谁可以帮我解答下么? 求当x趋于0时lim (1+x)^1/2-(1+x)^1/3/x;lim(xsin(1/x)+(1/x)sinx0的极限要过程,谢谢! 数学极限求大神解答当X趋于无穷大的时候,lim(1+5X)/(3-2X)等于多少?求大神给出详细过程. 求xsin(2x)的不定积分 y=xsin 2x,求dy