lim2nan=1(n→∞),且liman(n→∞)存在,则lim(1根据题意,lim(nan)(n→∞)=1/2原式展开=lim(-nan)(n→∞)+lim(an)(n→∞) =(-1/2)+lim(an)(n→∞) =(-1/2)+lim(nan/n)(n→∞) =(-1/2)+(1/2)lim(1/n)(n→∞) =(-1/2)+(1/2
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![lim2nan=1(n→∞),且liman(n→∞)存在,则lim(1根据题意,lim(nan)(n→∞)=1/2原式展开=lim(-nan)(n→∞)+lim(an)(n→∞) =(-1/2)+lim(an)(n→∞) =(-1/2)+lim(nan/n)(n→∞) =(-1/2)+(1/2)lim(1/n)(n→∞) =(-1/2)+(1/2](/uploads/image/z/13354546-58-6.jpg?t=lim2nan%3D1%28n%E2%86%92%E2%88%9E%29%2C%E4%B8%94liman%28n%E2%86%92%E2%88%9E%29%E5%AD%98%E5%9C%A8%2C%E5%88%99lim%281%E6%A0%B9%E6%8D%AE%E9%A2%98%E6%84%8F%2Clim%28nan%29%28n%E2%86%92%E2%88%9E%29%3D1%2F2%E5%8E%9F%E5%BC%8F%E5%B1%95%E5%BC%80%3Dlim%EF%BC%88-nan%EF%BC%89%28n%E2%86%92%E2%88%9E%29%2Blim%EF%BC%88an%EF%BC%89%28n%E2%86%92%E2%88%9E%29+%3D%EF%BC%88-1%2F2%29%2Blim%28an%29%28n%E2%86%92%E2%88%9E%29+%3D%EF%BC%88-1%2F2%29%2Blim%28nan%2Fn%29%28n%E2%86%92%E2%88%9E%29+%3D%EF%BC%88-1%2F2%29%2B%EF%BC%881%2F2%29lim%281%2Fn%29%28n%E2%86%92%E2%88%9E%29+%3D%EF%BC%88-1%2F2%29%2B%EF%BC%881%2F2)
lim2nan=1(n→∞),且liman(n→∞)存在,则lim(1根据题意,lim(nan)(n→∞)=1/2原式展开=lim(-nan)(n→∞)+lim(an)(n→∞) =(-1/2)+lim(an)(n→∞) =(-1/2)+lim(nan/n)(n→∞) =(-1/2)+(1/2)lim(1/n)(n→∞) =(-1/2)+(1/2
lim2nan=1(n→∞),且liman(n→∞)存在,则lim(1
根据题意,lim(nan)(n→∞)=1/2原式展开=lim(-nan)(n→∞)+lim(an)(n→∞) =(-1/2)+lim(an)(n→∞) =(-1/2)+lim(nan/n)(n→∞) =(-1/2)+(1/2)lim(1/n)(n→∞) =(-1/2)+(1/2)*0 =-1/2 答案是这样的,我想知道的是 ,lim(an)(n→∞)到lim(nan/n)(n→∞)=0为什么一定正确,为什么 lim(1*2*3*4..*n)(n→∞) 不能等于 lim(n(1*2*3*4..*n)/n)(n→∞)总觉得这个太牵强了,如果此式在相同条件下,一定成立,那是不是所以的式子都可以 乘上n *1/n.都等于0..,
lim2nan=1(n→∞),且liman(n→∞)存在,则lim(1根据题意,lim(nan)(n→∞)=1/2原式展开=lim(-nan)(n→∞)+lim(an)(n→∞) =(-1/2)+lim(an)(n→∞) =(-1/2)+lim(nan/n)(n→∞) =(-1/2)+(1/2)lim(1/n)(n→∞) =(-1/2)+(1/2
根据题意,lim(nan)(n→∞)=1/2 原式展开=lim(-nan)(n→∞)+lim(an)(n→∞) =(-1/2)+lim(an)(n→∞) =(-1/2)+lim(nan/n)(n
是无奈下发的:我是一个叫冰枫的男孩,前几天,我晚自习回家,被一辆大卡车撞死了,司机将我的尸体抛入了路径边的小河里,然后逃走了。你看见了这条消息后 ,请将她发给4个论坛,如果没有发,你的妈妈会在1个月后被车撞死,你的爸爸会得绝症,如果你照着上面做了,在5天后,你喜欢的人也会喜欢你,对不起大家不无意中看评论看 到了 这个吓死我了。不管是真是假我都害怕!所以只能乱发了`!对不起啊`!...
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是无奈下发的:我是一个叫冰枫的男孩,前几天,我晚自习回家,被一辆大卡车撞死了,司机将我的尸体抛入了路径边的小河里,然后逃走了。你看见了这条消息后 ,请将她发给4个论坛,如果没有发,你的妈妈会在1个月后被车撞死,你的爸爸会得绝症,如果你照着上面做了,在5天后,你喜欢的人也会喜欢你,对不起大家不无意中看评论看 到了 这个吓死我了。不管是真是假我都害怕!所以只能乱发了`!对不起啊`!
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