什么是微积分基本定理

2024-12-03 12:30:49
推荐回答(5个)
回答1:

牛顿-莱布尼兹公式(Newton-leibniz
formula),通常也被称为微积分基本定理,揭示了定积分与被积函数的原函数或者不定积分之间的联系。
牛顿-莱布尼茨公式的内容是一个连续函数谨吵在区间
[
a,b
]
上的定积分等于它的任意一个原函数在区间[
a,b
]上的增量。牛顿在1666年写的《流郑晌链数简论》中利用运动学描述了这一公式,1677年,莱布尼茨在一篇手稿中喊孙正式提出了这一公式。
因为二者最早发现了这一公式,于是命名为牛顿-莱布尼茨公式。
定义
弱化条件

回答2:

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原发布者:苹果变碳
1.6微积分基本定理课前探究学习课堂讲练互动活页规范训练【课标要求】1.了解微积分基本定理的内容与含义.2.会利用微积分基本定理求函数的定积分.【核心扫描】1.用微积分基本定理求函数的定积分是本课的重点.2.对微积分基本定理的考查常以选择、填空题的形式出现.课前探究学习课灶亮堂讲练互动活页规范训练自学导引1.微积分基本定理如果f(x)是区间[a,b]上的连续函数,并且内容F′(x)=f(x),那么∫baf(x)dx=F(b)-F(a).这个结论叫做微积分基本定理符号bf(x)dx=F(x)a=F(b)-F(a)课前探究学习课堂讲练互动活页规范训练想一想:导数与定积分有怎样的联系?提示导数与定积分都是定积分学中两个最基本、最重要的概念,运用它们之间的联系,我们可以找出求定积分的方法,求导数与定积分是互为逆运算.课前探究学习课堂讲练互动活页规范训练2.定积分和曲边梯形面积的关系设曲边梯形在x轴上方的面积为S上,x轴下方的面积为S下,则(1)当曲边梯形的面积在x轴上方和侍时,如图(1),则图(1)图(2)课前探究学习课堂讲练互动活页隐棚宽规范训练(2)当曲边梯形的面积在x轴下方时,如图(2),则bf(x)dx=a-S下.(3)当曲边梯形的面积在x轴上方、x轴下方均存在时,如图(3),则bf(x)dx=S上-S下.若S上=S下,则bf(x)dx=0.aa图(3)课前探究学习

回答3:

微积分基本定理,一般指的是,定积分计算陵激的牛顿-莱布尼兹公式,
由该公式可知,计算定积分,只要计算出被积函数的原函数,代入区间端点值相减,即可得出定积分值。而原函尺颂袜数的计算,与微分导数密樱滚切相关,所以称该公式为微积分基本定理

回答4:

微积分基本定理:f(x)在区间上的局雀定积分等于它的原函数F(x)在相应区间上的增量桐裤早。
意纯衡思是这样,具体怎么说的忘了。

回答5:

费马引理:
函数f(x)在x0的某临域段腔内有定义,且在点x0处函数有导数,州燃滑如果对于所有的f(x)>(<)=f(x0),那么,f(x)在点x0处的导数为0;
罗尔定理:
函数f(x)满足:
1、在[a,b]上连续
2、在(a,b)上可导
3、f(a)=f(b)
那么,在x属于(a,b)的范围内,必有点δ满足导数为0.
拉格朗日定理:
函数f(x)满足

1、在闭区间【a,b】上连续
2、在开区间(a,b)上可导
那么,在x属于(a,b)的的范围内,有f(b)册腊--f(a)=(b-a)X(函数f(x)在δ点的导数)
柯西中值定理:
函数f(x)、g(x)满足
1、在【a,b】上连续
2、在(a,b)上可导
3、对任意x属于(a,b),g(x)的导数!=0
那么,存在点δ属于(a,b),满足f(b)-f(a)/g(b)-g(a)=f'(δ)/g'(δ).

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