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 +⎰
=1
ln 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
+-+-++ 9.2
d ()
x
x ax b +⎰
=211ln ()ax b C b ax b b x +-++
的积分 10
.x
C 11
.x ⎰
=
2
2
(3215ax b C a
-+ 12
.x x ⎰
=2223
2
(15128105a x abx b C a
-++ 13
.x
=22
(23ax b C a -+
14
.2x
=222
3
2(34815a x abx b C a -++ 15
.
=(0)
(0)
C b C b ⎧+>+<
16
.
2a b 17
.x
=b +18
.x
=2a x -+ (三)含有22x a ±的积分
19.22d x x a +⎰=1arctan x
C a a
+
20.22d ()n x x a +⎰
=22212221
23d 2(1)()2(1)()
n n x n x
n a x a n a x a ---+-+-+⎰ 21.22
d 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)
x C b C b ⎧+>⎪⎪⎨
+<
23.2
d x x ax b +⎰
=21
ln 2ax b C a
++ 24.22d x x ax b +⎰=2d x b x
a a ax b
-+⎰
25.2d ()x x ax b +⎰=2
2
1ln 2x C b ax b
++ 26.22d ()x x ax b +⎰
=21d a x
bx b ax b
--
+⎰ 27.32d ()x x ax b +⎰=2222
1
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 ac C
b a
c +<+>
30.2d x x ax bx c ++⎰
=2
21d 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.
1ln a
C a x +
38.
C +
39.x 2ln(2
a x C ++
40.x =2243(25ln(88
x x a a x C ++++
41.x ⎰C
42.x
x ⎰=422(2ln(88
x a x a x C +++
43.d x x ⎰
=a C ++
44.x =ln(x C +++
(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 2ln 2
a x C ++
54.x =2243(25ln 88
x x a a x C -++
55.x ⎰C
56.x
x ⎰=422(2ln 88
x a x a x C -++