高数积分公式大全
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常 用 积 分 公 式
(一)含有ax b +的积分(0a ≠)
1.d x ax b +⎰=1ln ax b C a ++
2.()d ax b x μ+⎰=11()(1)
ax b C a μμ++++(1μ≠-) 3.d x x ax b +⎰=21(ln )ax b b ax b C a +-++
4.2d x x ax b +⎰=22311()2()ln 2ax b b ax b b ax b C a ⎡⎤+-++++⎢⎥⎣⎦
5.d ()x x ax b +⎰=1ln ax b C b x +-+
6.2d ()
x x ax b +⎰=21ln a ax b C bx b x +-++ 7.2d ()x x ax b +⎰=21(ln )b ax b C a ax b
++++ 8.22d ()x x ax b +⎰=2
31(2ln )b ax b b ax b C a ax b
+-+-++ 9.2d ()
x x ax b +⎰=211ln ()ax b C b ax b b x +-++
的积分
10.x C +
11.x ⎰=22(3215ax b C a
-
12.x x ⎰=22232(15128105a x abx b C a -+
13.x
⎰=22(23ax b C a -
14
.2x ⎰
=22232(34815a x abx b C a -+ 15
.⎰
(0)(0)C b C b ⎧+>< 16
.⎰
2a bx b -- 17
.x ⎰
=b ⎰18.2d x x ⎰
=2a + (三)含有22x a ±的积分
19.22d x x a +⎰=1arctan x C a a
+ 20.22d ()n x x a +⎰=2221222123d 2(1)()2(1)()n n x n x n a x a n a x a ---+-+-+⎰
21.22d x x a -⎰=1ln 2x a C a x a -++
(四)含有2(0)ax b a +>的积分
22.2d x ax b +⎰
=(0)(0)C b C b ⎧+>+< 23.2d x x ax b +⎰=21ln 2ax b C a
++
24.2
2d x x ax b +⎰=2d x
b
x
a a ax
b -+⎰
25.2d ()x
x ax b +⎰=2
21
ln 2x C b ax b ++
26.22d ()x
x ax b +⎰=21
d a x
bx b ax b --+⎰
27.32d ()x x ax b +⎰=22221
ln 22ax b a C b x bx +-+
28.22d ()x
ax b +⎰=221d 2()2x
x
b ax b b ax b +++⎰
(五)含有2ax bx c ++(0)a >的积分
29.2d x ax bx c ++⎰
=22(4)(4)C
b a
c C
b a
c +<+
> 30.2d x x ax bx c ++⎰=221d
ln 22b x
ax bx c a a ax bx c
++-++⎰
(0)a >的积分
31
.⎰=1arsh x
C a +
=ln(x C ++
32
.
C +
33
.x ⎰
C
34
.x
=C +
35.2
x 2ln(2a x C +
36.2
x =ln(x C +++
37.
⎰1C a +
38.
⎰C +
39.x 2
ln(2
a x C ++
40.
x =2243(25ln(88
x x a a x C ++
41.x ⎰C +
42.x x ⎰=4
22(2ln(88x a x a x C +++
43.x ⎰ln a a C x
+
44.2d x x ⎰=ln(x C x
-+++
(0)a >的积分
45.
⎰=1arch x x C x a
+=ln x C ++ 46.
C +
47.
x ⎰C
48.
x =C +
49.2
x 2ln 2a x C +++
50.2
x =ln x C +++ 51.
⎰1arccos a C a x +
52.
⎰C +
53.x 2
ln 2
a x C -++
54.
x =2243(25ln 88
x x a a x C -++
55.x ⎰C
56.x x ⎰=422(2ln 88x a x a x C -+
57.x x ⎰arccos a a C x
-+
58.x ⎰=ln x C +++
(0)a >的积分
59.
⎰=arcsin x C a
+ 60.
C +
61.
x ⎰=C +
62.
x C +
63.2
x =2arcsin 2a x C a + 64.2
x arcsin x C a -+
65.
⎰1ln a C a x -+
66.
⎰C +
67.x 2arcsin 2a x C a
+
68.
x =2243(52arcsin 88x x a x a C a
-+
69.x ⎰=C
70.x x ⎰=422(2arcsin 88x a x x a C a -+
71.d x x ⎰a C ++
72.x ⎰=arcsin x C a
-+
(0)a >的积分
73.
⎰2ax b C +++
74.x
2
2ax b C +
+++
75.
x ⎰
2ax b C -
+++ 76.
⎰=C +
77.x 2
C +
78.
x ⎰=C ++
79.x ⎰=((x b b a C --+
80.x ⎰=((x b b a C -+-
81.
⎰=C ()a b <
82.x 2()arcsin 4b a C -+ ()a b < (十一)含有三角函数的积分
83.sin d x x ⎰=cos x C -+
84.cos d x x ⎰=sin x C +
85.tan d x x ⎰=ln cos x C -+
86.cot d x x ⎰=ln sin x C + 87.sec d x x ⎰=ln tan()42x C π++=ln sec tan x x C ++ 88.csc d x x ⎰=ln tan 2
x C +=ln csc cot x x C -+ 89.2sec d x x ⎰=tan x C +
90.2csc d x x ⎰=cot x C -+
91.sec tan d x x x ⎰=sec x C +
92.csc cot d x x x ⎰
=csc x C -+ 93.2
sin d x x ⎰=1sin 224
x x C -+ 94.2cos d x x ⎰=1sin 224
x x C ++ 95.sin d n x x ⎰=1211sin cos sin d n n n x x x x n n
----+⎰ 96.cos d n x x ⎰=1211cos sin cos d n n n x x x x n n
---+⎰ 97.d sin n x x ⎰=121cos 2d 1sin 1sin n n x n x n x n x
----⋅+--⎰ 98.d cos n x x ⎰=121sin 2d 1cos 1cos n n x n x n x n x
---⋅+--⎰ 99.cos sin d m n x x x ⎰=11211cos sin cos sin d m n m n m x x x x x m n m n
-+--+++⎰ =11211cos sin cos sin d m n m n n x x x x x m n m n +----+++⎰。