高一數(shù)學(xué)必修一 基本初等函數(shù)導(dǎo)數(shù)總結(jié)

高一數(shù)學(xué)必修一基本初等函數(shù)導(dǎo)數(shù)總結(jié)函數(shù)導(dǎo)數(shù)的定義函數(shù)導(dǎo)數(shù)是刻畫函數(shù)變化率的概念。對(duì)于函數(shù)y=f(x)，在某一點(diǎn)x上的導(dǎo)數(shù)可以通過以下定義求得：導(dǎo)數(shù)=極限（f(x+Δx)-f(x)）/Δx，其中Δx→0基本初等函數(shù)導(dǎo)數(shù)的求法1.常數(shù)函數(shù)的導(dǎo)數(shù)為0，即，對(duì)于常數(shù)c，有dy/dx=0。2.冪函數(shù)的導(dǎo)數(shù)為其指數(shù)乘以常數(shù)，即，對(duì)于函數(shù)y=x^n，有dy/dx=n*x^(n-1)。3.指數(shù)函數(shù)e^x的導(dǎo)數(shù)等于其本身的函數(shù)值，即，對(duì)于函數(shù)y=e^x，有dy/dx=e^x。4.對(duì)數(shù)函數(shù)ln(x)的導(dǎo)數(shù)等于1/x，即，對(duì)于函數(shù)y=ln(x)，有dy/dx=1/x。5.三角函數(shù)的導(dǎo)數(shù)為其相關(guān)三角函數(shù)，即，對(duì)于函數(shù)y=sin(x)，有dy/dx=cos(x)；對(duì)于函數(shù)y=cos(x)，有dy/dx=-sin(x)；對(duì)于函數(shù)y=tan(x)，有dy/dx=sec^2(x)。6.反三角函數(shù)的導(dǎo)數(shù)可用導(dǎo)數(shù)的定義推導(dǎo)得出：-對(duì)于函數(shù)y=arcsin(x)，有dy/dx=1/√(1-x^2)；-對(duì)于函數(shù)y=arccos(x)，有dy/dx=-1/√(1-x^2)；-對(duì)于函數(shù)y=arctan(x)，有dy/dx=1/(1+x^2)。導(dǎo)數(shù)運(yùn)算法則給定函數(shù)f(x)和g(x)，具有可導(dǎo)性的函數(shù)可以根據(jù)以下導(dǎo)數(shù)運(yùn)算法則來求導(dǎo)：1.常數(shù)函數(shù)與可導(dǎo)函數(shù)的乘積的導(dǎo)數(shù)等于常數(shù)乘以可導(dǎo)函數(shù)的導(dǎo)數(shù)，即，d(cf)/dx=c*d(f)/dx。2.可導(dǎo)函數(shù)的和的導(dǎo)數(shù)等于各個(gè)可導(dǎo)函數(shù)的導(dǎo)數(shù)之和，即，d(f+g)/dx=d(f)/dx+d(g)/dx。3.可導(dǎo)函數(shù)的差的導(dǎo)數(shù)等于各個(gè)可導(dǎo)函數(shù)的導(dǎo)數(shù)之差，即，d(f-g)/dx=d(f)/dx-d(g)/dx。4.可導(dǎo)函數(shù)的乘積的導(dǎo)數(shù)等于第一個(gè)可導(dǎo)函數(shù)乘以第二個(gè)可導(dǎo)函數(shù)的導(dǎo)數(shù)，再加上第二個(gè)可導(dǎo)函數(shù)乘以第一個(gè)可導(dǎo)函數(shù)的導(dǎo)數(shù)，即，d(fg)/dx=f*d(g)/dx+g*d(f)/dx。5.可導(dǎo)函數(shù)的商的導(dǎo)數(shù)等于分子的導(dǎo)數(shù)乘以分母減去分母的導(dǎo)數(shù)乘以分子，再除以分母的平方，即，d(f/g)/dx=(d(f)/dx*g-f*d(g)/dx)/g^2。導(dǎo)數(shù)的應(yīng)用函數(shù)導(dǎo)數(shù)在實(shí)際問題中具有廣泛的應(yīng)用，其中一些常見的應(yīng)用包括：1.刻畫曲線的切線和法線。2.求函數(shù)的極值點(diǎn)和拐點(diǎn)。3.描述物理學(xué)中的運(yùn)動(dòng)和變化過程。4.優(yōu)化問題，如求函數(shù)的最大值和最小值。這是關(guān)于高一數(shù)學(xué)必修一中基本初等函數(shù)導(dǎo)數(shù)的總結(jié)。導(dǎo)數(shù)的概念、基本函數(shù)的導(dǎo)數(shù)求法、導(dǎo)數(shù)運(yùn)