>
数学
>
lim(x→0) (e的(X²)次方-1)÷(cosx-1)
人气:106 ℃ 时间:2019-12-01 13:14:30
解答
e的x次方减1与x是等价无穷小,则e的x平方减一与x平方为等价无穷小,分母cosx减1与负的1/2x的平方为等价无穷小,分子分母同时约去x的平方,得负2.
推荐
lim(x趋向0)(e-e^cosx)/(√1+x^2的3次方-1)
用洛必达法则求极限 lim→0(cosx)的1/x次方
lim(x→0)(e的x²次方+2cos x-3)/x的四次方
lim(x→0) 1-cosx/x4次方
lim(x+e的x次方)的1/x次方=什么 x趋于0
把146分成两个整数之和,一个是11的倍数,另一个是17的倍数,这两个数分别是多少?
七尺男儿是多长?尺,厘米,寸如何换算?
while it is expected that students come university with the ability to take a good set of notes,
猜你喜欢
England is one of the countries_____people rive on the left.
用last night造句
the pink bag is bigger than the black one?
商店有苹果和梨共465千克.如果卖出苹果的1/4,卖出梨的1/5,两种水果剩下的重量相等.原来苹果和梨各多少千克?
Tom want to be a ( ) when he grow up A.pilot B.cooker C.drive 应该填那个?为什么?
怎样把220v低音炮改成12v
移一根火柴棒,算式就能相等?13-3=8
这几题怎样简便运算啊!快
© 2025 79432.Com All Rights Reserved.
电脑版
|
手机版