lim(x→∞)[sinx/x+xsin(1/2x)]答案是1/2.求过程

lim(x→∞) (xsin(1/x)+1/x(sinx)) lim xsin(2/x) x→∞ lim(x→∞)[sinx/x+xsin(1/2x)]答案是1/2.求过程 lim(x→∞) (xsin(3/x)+sinx /x)等于多少急! lim(sinx/x+xsin(1/x)) = x->无穷 lim(x→0） x-(sinx)/xsin²x=?怎么解 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)] 求极限lim{[(sinx)/x]+xsin(1/2x)}x趋向无穷大, lim(a^x-a^sinx)/(xsin^2x) ,x趋向于0. lim｛sinx/x - xsin(1/x)｝=x趋近于无穷 极限lim(xsin*2/x+2/x*sinx)当x趋于0的极限 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(x→0)xsin *1/x^2 lim(x→∞)[(x＋sinx)/(x-sinx)]＝? lim x→0 sinx/(x^2+3x)2.当x→0,下列变量中（）与x为等价无穷小.A.sin^2x B.In(1+2x) C.xsin(1/x) D.根号（1+x)-根号(1-x) 3.lim x→∞ sin(1/x)=?4.lim x→∞(x-根号(x^2-1)=?