lim[(x+a)/(x-a)]^x
=lim[1+2a/(x-a)]^x
=lim{[1+2a/(x-a)]^[(x-a)/2a]}^[2ax/(x-a)]
=lim e^[2ax/(x-a)]
=e^{lim[2ax/(x-a)]}
=e^(2a)
設(shè)a不等于0,x趨于正無窮大,求（x+a)/(x-a)的x次冪的極限
設(shè)a不等于0,x趨于正無窮大,求（x+a)/(x-a)的x次冪的極限
數(shù)學(xué)人氣：502 ℃時間：2019-08-28 04:19:58
優(yōu)質(zhì)解答
我來回答
類似推薦
- 當趨向于無窮大時1的x次冪的極限和x的0次冪的極限
- e的負x次冪加e的x次冪之和分之cosx求極限（x 趨向正無窮大）
- 冪指函數(shù)求極限 lim x趨向無窮大（x-3/x+2）^x=
- x趨于無窮大時(tanx)tan2x次冪的極限
- n趨近無窮大,n的1/n次冪的極限為什么等于一
- 函數(shù)f(x)=sinx-cosx^2的最小值是?
- 英語翻譯
- I took my grandpa to the hospital this morning,_____ I missed the first class.
- So crazy
- 方差是各個數(shù)據(jù)與平均數(shù)之差的平方的平均數(shù)
- 函數(shù)y=f(x)與它反函數(shù)y=f^-1(x)怎么讀?
- These are photos of my families.Look at them 改錯
猜你喜歡
- 1平面與平面重合,是否屬于平行一類?那重合的兩直線,也屬于平行一類的嗎?
- 2非洲每年因饑餓死亡的人數(shù)及現(xiàn)在饑餓人口數(shù)量拜托各位了 3Q
- 3decide to do sth.還=什么
- 4(7/8)o you think of london?B:5.____london is one of the liveliest cities
- 5啤酒可以托運嗎
- 6邊長為2√6的等邊三角形的中心到一邊的距離為?
- 7please give your hand to help me
- 8已知2的X次方等于3的Y次方等于6的Z次方不等等于1,證明X分之一加Y分之一等于Z分之一.
- 9幫我做做?
- 10機械分析天平TG628A的使用說明書
- 11in winter ,we wear warm coats to protect our bodies_.
- 12( )was most importance to her ,she told me,was her family it this what as