高等数学积分公式大全
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(五)含有 ax2 bx c (a 0) 的积分
dx
29 .
ax 2
bx
=
c
2 arctan 2ax b C
4ac b2
4ac b2
1
2ax b
ln
b2 4ac 2ax b
b2 4ac b2 4ac
(b2 4ac) C (b2 4ac)
x 30 . ax2 bx
dx = 1 ln ax 2 bx c 2a
c
b
dx
2a ax 2 bx
c
(六)含有 x2 a2 (a 0) 的积分
31 .
dx
x
x2
= arsh
a2
a
C1= ln( x
x2 a2 ) C
32 .
dx
x
=
C
( x2 a2 ) 3 a 2 x 2 a2
33 .
x dx = x2 a2 C x2 a2
34 .
x
dx =
( x2 a2)3
1
C
x2 a2
b
b
dx
16 .
x2 ax
=
b
ax b a
dx
bx 2b x ax b
17 .
ax b
dx
dx = 2 ax b b
x
x ax b
18 .
ax x2
bdx =
ax b a dx
x
2 x ax b
(三)含有 x2 a 2 的积分
dx 1
x
19 .
x2
a2
=
arctan
a
a
C
dx
x
2n 3
dx
20 . ( x2 a 2) n = 2( n 1)a 2( x2 a 2) n 1 2(n 1)a 2 (x 2 a2 )n 1
x2 a2 C
59 .
dx = arcsin x C
a2 x2
a
60 .
dx
x
=
C
( a2 x2 ) 3 a 2 a 2 x2
61 .
x dx =
a2 x2
a2 x2 C
文案大全
62 .
标准实用
x
1
dx =
C
a2dx = 1
2
(x
23
a)
C
3
x2 a2 C
56 . x 2 x 2 a2 dx = x (2 x 2 a 2 ) x 2 a 2 8
a4 ln x
8
x2 a2 C
57 .
x2
a2 dx =
x2
a2
a a arccos
C
x
x
58 .
x2 a2 x2 dx =
x2 a2 ln x
x
(八)含有 a2 x2 (a 0) 的积分
文案大全
标准实用
dx
1
x2
25 .
x(ax 2
=
b)
ln 2b
ax 2
b
C
dx
1 a dx
26 . x 2( ax2
=
b)
bx
b ax 2
b
dx
a ax2 b
27 . x3(ax2 b ) = 2b2 ln x2
1 2bx2 C
dx
x
1 dx
28 . ( ax2 b)2 = 2b(ax2 b) 2b ax2 b
dx
1 xa
21 .
x2
a2
=
ln 2a
x
a
C
(四)含有 ax2 b( a 0) 的积分
1 arctan a x C
22 .
dx
2
=
ab
b
ax b
1
ax b
ln
2 ab ax b
23 .
x ax 2
dx = 1 ln ax2 b 2a
b
C
x2
x b dx
24 . ax2
dx = ba
a
ax 2
b
(b 0) C (b 0)
标准实用
常 用积分 公式
(一)含有 ax b 的积分 ( a 0 )
1 . dx = 1 ln ax b C ax b a
2 . (ax b) dx = 1 (ax b) 1 C (
1)
a( 1)
x
1
3.
ax
dx = b
a2
( ax
b
b ln ax
b)
C
4.
x2
11
ax
dx = b
a3
(ax 2
b)2
1
1 ax b
9 . x( ax b)2 = b(ax b) b2 ln x
C
(二)含有 ax b 的积分
10 .
ax bdx = 2 ( ax b)3 C 3a
11 . x ax
2 bdx = 15a2 (3 ax
2b) (ax
b) 3
C
12 . x2 ax
bdx
=
2 105a 3
(15a
2x 2
1
a
= arccos C
x x2 a2 a
x
dx
x2 a2
52 .
=百度文库
x2 x2 a2
a 2x
C
53 .
x 2 a 2 dx = x x2 a 2
a2 ln x
2
2
x2 a2 C
54 .
( x2 a 2) 3dx = x (2 x2 5a 2 ) x2 a 2 3 a4 ln x
8
8
55 . x x2
2b(ax
b)
b2 ln ax
b
C
dx
1 ax b
5.
= ln
C
x(ax b) b
x
dx
1
6.
x2 (ax
=
b)
bx
a b2
ln
ax x
b
C
7.
(ax
x b) 2dx
=
1 a2
(ln
ax
b
b )C ax b
x2
1
b2
8 . (ax b)2dx = a3 (ax
b 2b ln ax
b
) ax b
C
dx
a4 ln( x
8
x2 a2 ) C
43 .
x2
a2 dx =
x2
a2
a ln
x2
a2
a
C
x
x
44 .
x2 a2 x2 dx =
x2 a2 x
ln( x
x2 a2 ) C
(七)含有 x2 a2 (a 0) 的积分
45 .
dx = x arch x
2
2
xa
x
a
C1 = ln x
46 .
dx
x
=
C
( x2 a2) 3
a2 x2 a2
x2 a2 C
47 .
x
dx = x2 a2 C
x2 a2
48 .
x
dx =
( x2 a2) 3
1
C
x2 a2
文案大全
49 . 50 .
标准实用
x2
x dx =
x2
a2
a2 ln x
x2 a2
2
2
x2 a2 C
2
x
dx =
2
23
(x a )
x
ln x
2
2
xa
x2 a2 C
51 .
dx
a2 ln( x
2
x2 a2 ) C
40 .
( x2 a 2)3dx = x (2 x2 5a 2 ) x2 a 2 3 a 4 ln( x
8
8
41 . x x2 a 2dx = 1 ( x2 a 2)3 C 3
x2 a2 ) C
42 . x 2 x 2 a 2 dx = x (2 x 2 a 2 ) x 2 a 2 8
12abx
8b2 ) ( ax
b)3
C
13 .
x ax
dx b
=
2 3a 2
( ax
2b) ax
b
C
文案大全
14 .
标准实用
x2 ax
dx b
=
2 15a 3
(3a 2x 2
4abx
8b2) ax
b
C
dx
15 .
=
x ax b
1 ln ax b b C (b 0) b ax b b
2 arctan ax b C (b 0)
35 .
x2
x
dx =
x2 a2
2
x2 a2
a2 ln( x
2
x2 a2 ) C
文案大全
36 .
x2
dx =
2
23
(x a )
标准实用
x
ln( x
2
2
xa
x2 a2 ) C
37 .
dx
1
x2 a2 a
= ln
C
x x2 a2 a
x
dx
38 .
=
x2 x2 a2
x2 a2
a2x
C
39 .
x 2 a 2 dx = x x2 a 2 2