lim(x→0)xsin *1/x^2

lim(x→0)xsin *1/x^2 lim xsin(2/x) x→∞ 求lim(n→0)[sin2x/x-xsin(2/x)] lim(x→∞) (xsin(1/x)+1/x(sinx)) lim(x趋向0)1-x^2-e^(-x^2)/xsin^3(2x) lim x→∞ xsin(1/x)求极限 求极限lim(x→0){(2x-sin2x)/xsin^2x} lim(x→∞)[sinx/x+xsin(1/2x)]答案是1/2.求过程 为什么lim(x→0) [1-x^2-e^(-x^2)]/[xsin^3(2x)] =lim(为什么lim(x→0) [1-x^2-e^(-x^2)]/[xsin^3(2x)] =lim(x→0) [1-x^2-e^(-x^2)]/(8x^4) 求lim x→0,y→0 xsin[1/(x+y)]的极限 lim x→∞ XSIN 1/X= 应选a.0 b.1 c.2 d.∞ 根据函数极限定义证明lim (x→0)xsin(1/x)=0 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 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! lim(x->∞)[ xsin(2/x)+(cosx^2)/(x^2)] lim(sinx/x+xsin(1/x)) = x->无穷 极限lim x 趋无穷(sin5x/x-xsin(2/x)) 烦人的数学微积分1、lim(x→0)Sin3x/Sin2x2、lim(x→0)x/3*Sin3x3、lim(x→0)[Xsin(3/x)+(tanx/2x)]4、lim(x→3)Sin(x-3)/(X^2-X-6)5、lim(x→∞)[1+(1/2x)^x6、lim(x→∞)(x+3/x)^x7、lim(x→0)（1-x/2)^1/x+118、求下列函数的间断