积分求导公式
常用公式表
1、求导法则:
//////(1)(u+v)=u+v (2)(u-v)=u-v
,/////,,uuv,uv,,,(3)(cu)=cu (4)(uv)=uv+uv (5) ,,2vv,,
2、基本求导公式:
/a/a,1x/x(1)(c)=0 (2)(x)=ax (3)(a)=alna
11x/x//axlnax(4)(e)=e (5)(?x)= (6)(lnx)=
//(7)(sinx)=cosx (8)(cosx)=-sinx
1
2/2(cosx)(9)(tanx)==(secx)
1
2/2(sinx)(10)(cotx)=-=-(cscx)
//(11)(secx)=secx*tanx (12)(cscx)=-cscx*cotx
11
22//1,x1,x(13)(arcsinx)= (14)(arccosx)=-
1
/21,1,xarccotx,,,,(15)(arctanx)= (16) 21,x
3、基本积分公式
1aa,1,(1)kdx=kx+c (2) xdx,x,C,1a,
1dx,lnx,cx,axxadx,,C(3) (4) ,lna
xxedx,e,c,sinxdx,,cosx,C(5) (6) ,
12cosxdx,sinx,C(7) (8)secxdx,dx,tanx,C ,,,2cosx
12cscxdx,dx,,cotx,c,,2sinx (9)
11dx,arcsinx,cdx,arctanx,c,2,21,x1,x (10) (11)
,,,,1secxdx,lnsecx,tanx,C2cscxdx,lncscx,cotx,C,,
11x1x,,4dx,arcsin,C ,,3dx,arctan,C,,2222aaaa,xa,x
11x,a,,5dx,ln,C ,222ax,ax,a
bba
f(x)dx,f(t)dtf(x)dx,0,,,aaa (1) (2)
bcb
f(x)dx,f(x)dx,f(x)dxba,,,aac,,,, (3)fxdx,,fxdx (4) ,,ab
4、积分定理:
,x,,,,,,ftdt,fx(1) ,,,a,,
,bx,,,,,,,,,,,,,,,,,,,,ftdt,fbxbx,faxax(2) ,,,,,ax,,
bbf(x)dx,F(x),F(b),F(a)a,a(3)若F(x)是f(x)的一个原函数,则
5、积分方法
,,,,1fx,ax,bax,b,t;设:
22;设: ,,,,2fx,a,xx,asint
22 ;设: ,,fx,x,ax,asect
22 ;设: ,,fx,a,xx,atant
,,3udv,uv,vdu分部积分法: ,,