
常用积分公式
施特劳斯的作品-与书有关的成语
2023年2月19日发(作者:劳动委员的职责).
.
常用积分公式
(一)含有
axb
的积分(
0a
)
1.
dx
axb
=
1
lnaxbC
a
2.
()daxbx
=
1
1
()
(1)
axbC
a
(
1
)
3.
d
x
x
axb
=2
1
(ln)axbbaxbC
a
4.
2
d
x
x
axb
=
22
3
11
()2()ln
2
axbbaxbbaxbC
a
5.
d
()
x
xaxb
=
1
ln
axb
C
bx
6.
2
d
()
x
xaxb
=
2
1
ln
aaxb
C
bxbx
7.
2
d
()
x
x
axb
=2
1
(ln)
b
axbC
aaxb
8.
2
2
d
()
x
x
axb
=
2
3
1
(2ln)
b
axbbaxbC
aaxb
9.
2
d
()
x
xaxb
=
2
11
ln
()
axb
C
baxbbx
.
.
(二)含有
axb
的积分
10.
daxbx
=
3
2
()
3
axbC
a
11.
dxaxbx
=
3
2
2
(32)()
15
axbaxbC
a
12.
2dxaxbx
=
2223
3
2
(15128)()
105
axabxbaxbC
a
13.
d
x
x
axb
=2
2
(2)
3
axbaxbC
a
14.
2
d
x
x
axb
=
222
3
2
(348)
15
axabxbaxbC
a
15.
dx
xaxb
=
1
ln(0)
2
arctan(0)
axbb
Cb
baxbb
axb
Cb
b
b
16.
2
dx
xaxb
=
d
2
axbax
bxb
xaxb
17.
d
axb
x
x
=
d
2
x
axbb
xaxb
18.2
d
axb
x
x
=
d
2
axbax
x
xaxb
(三)含有22xa
的积分
.
.
19.22
dx
xa
=
1
arctan
x
C
aa
20.
22
d
()n
x
xa
=
22212221
23d
2(1)()2(1)()nn
xnx
naxanaxa
21.22
dx
xa
=
1
ln
2
xa
C
axa
(四)含有
2(0)axba
的积分
22.2
dx
axb
=
1
arctan(0)
1
ln(0)
2
a
xCb
b
ab
axb
Cb
abaxb
23.2
d
x
x
axb
=
2
1
ln
2
axbC
a
24.
2
2
d
x
x
axb
=2
dxbx
aaaxb
25.
2
d
()
x
xaxb
=
2
2
1
ln
2
x
C
b
axb
26.
22
d
()
x
xaxb
=2
1dax
bxbaxb
27.
32
d
()
x
xaxb
=
2
222
1
ln
22
axb
a
C
bxbx
.
.
28.
22
d
()
x
axb
=
22
1d
2()2
xx
baxbbaxb
(五)含有2axbxc
(0)a
的积分
29.2
dx
axbxc
=
2
22
2
2
22
22
arctan(4)
44
124
ln(4)
424
axb
Cbac
acbacb
axbbac
Cbac
bacaxbbac
30.2
d
x
x
axbxc
=
2
2
1d
ln
22
bx
axbxc
aaaxbxc
(六)含有
22xa(0)a
的积分
31.22
dx
xa
=1
arsh
x
C
a
=
22ln()xxaC
32.
223
d
()
x
xa
=222
x
C
axa
33.22
d
x
x
xa
=
22xaC
34.
223
d
()
x
x
xa
=22
1
C
xa
35.
2
22
d
x
x
xa
=
2
2222ln()
22
xa
xaxxaC
36.
2
223
d
()
x
x
xa
=
22
22
ln()
x
xxaC
xa
.
.
37.22
dx
xxa
=
221
ln
xaa
C
ax
38.222
dx
xxa
=
22
2
xa
C
ax
39.
22dxax
=
2
2222ln()
22
xa
xaxxaC
40.
223()dxax
=
2222422
3
(25)ln()
88
x
xaxaaxxaC
41.
22dxxax
=
223
1
()
3
xaC
42.
222dxxax
=
4
222222(2)ln()
88
xa
xaxaxxaC
43.
22
d
xa
x
x
=
22
22ln
xaa
xaaC
x
44.
22
2
d
xa
x
x
=
22
22ln()
xa
xxaC
x
(七)含有
22xa(0)a
的积分
45.
22
dx
xa
=
1
arch
x
x
C
xa
=
22lnxxaC
46.
223
d
()
x
xa
=222
x
C
axa
.
.
47.22
d
x
x
xa
=
22xaC
48.
223
d
()
x
x
xa
=22
1
C
xa
49.
2
22
d
x
x
xa
=
2
2222ln
22
xa
xaxxaC
50.
2
223
d
()
x
x
xa
=
22
22
ln
x
xxaC
xa
51.22
dx
xxa
=
1
arccos
a
C
ax
52.222
dx
xxa
=
22
2
xa
C
ax
53.
22dxax
=
2
2222ln
22
xa
xaxxaC
54.
223()dxax
=
2222422
3
(25)ln
88
x
xaxaaxxaC
55.
22dxxax
=
223
1
()
3
xaC
56.
222dxxax
=
4
222222(2)ln
88
xa
xaxaxxaC
57.
22
d
xa
x
x
=
22arccos
a
xaaC
x
.
.
58.
22
2
d
xa
x
x
=
22
22ln
xa
xxaC
x
(八)含有
22ax(0)a
的积分
59.22
dx
ax
=
arcsin
x
C
a
60.
223
d
()
x
ax
=222
x
C
aax
61.22
d
x
x
ax
=
22axC
62.
223
d
()
x
x
ax
=22
1
C
ax
63.
2
22
d
x
x
ax
=
2
22arcsin
22
xax
axC
a
64.
2
223
d
()
x
x
ax
=22
arcsin
xx
C
a
ax
65.22
dx
xax
=
221
ln
aax
C
ax
66.222
dx
xax
=
22
2
ax
C
ax
67.
22daxx
=
2
22arcsin
22
xax
axC
a
.
.
68.
223()daxx
=
22224
3
(52)arcsin
88
xx
axaxaC
a
69.
22dxaxx
=
223
1
()
3
axC
70.
222dxaxx
=
4
2222(2)arcsin
88
xax
xaaxC
a
71.
22
d
ax
x
x
=
22
22ln
aax
axaC
x
72.
22
2
d
ax
x
x
=
22
arcsin
axx
C
xa
(九)含有
2axbxc(0)a
的积分
73.2
dx
axbxc
=
2
1
ln22axbaaxbxcC
a
74.
2daxbxcx
=
2
2
4
axb
axbxc
a
2
2
3
4
ln22
8
acb
axbaaxbxcC
a
75.2
d
x
x
axbxc
=
2
1
axbxc
a
2
3
ln22
2
b
axbaaxbxcC
a
.
.
76.2
dx
cbxax
=2
12
arcsin
4
axb
C
a
bac
77.
2dcbxaxx
=
2
2
32
242
arcsin
4
84
axbbacaxb
cbxaxC
a
abac
78.2
d
x
x
cbxax
=
2
32
12
arcsin
24
baxb
cbxaxC
a
abac
(十)含有
xa
xb
或
()()xabx
的积分
79.
d
xa
x
xb
=
()()ln()
xa
xbbaxaxbC
xb
80.
d
xa
x
bx
=
()()arcsin
xaxa
xbbaC
bxbx
81.
d
()()
x
xabx
=
2arcsin
xa
C
bx
()ab
82.
()()dxabxx
=
22()
()()arcsin
44
xabbaxa
xabxC
bx
()ab
(十一)含有三角函数的积分
83.
sindxx
=
cosxC
84.
cosdxx
=
sinxC
85.
tandxx
=
lncosxC
.
.
86.
cotdxx
=
lnsinxC
87.
secdxx
=
lntan()
42
x
C
=
lnsectanxxC
88.
cscdxx
=
lntan
2
x
C
=
lncsccotxxC
89.
2secdxx
=
tanxC
90.
2cscdxx
=
cotxC
91.
sectandxxx
=
secxC
92.
csccotdxxx
=
cscxC
93.
2sindxx
=
1
sin2
24
x
xC
94.
2cosdxx
=
1
sin2
24
x
xC
95.
sindnxx
=
12
11
sincossindnn
n
xxxx
nn
96.
cosdnxx
=
12
11
cossincosdnn
n
xxxx
nn
97.
d
sinn
x
x
=12
1cos2d
1sin1sinnn
xnx
nxnx
.
.
98.
d
cosn
x
x
=12
1sin2d
1cos1cosnn
xnx
nxnx
99.
cossindmnxxx
=
112
11
cossincossindmnmn
m
xxxxx
mnmn
=
112
11
cossincossindmnmn
n
xxxxx
mnmn
100.
sincosdaxbxx
=
11
cos()cos()
2()2()
abxabxC
abab
101.
sinsindaxbxx
=
11
sin()sin()
2()2()
abxabxC
abab
102.
coscosdaxbxx
=
11
sin()sin()
2()2()
abxabxC
abab
103.
d
sin
x
abx
=
2222
tan
2
2
arctan
x
ab
C
abab
22()ab
104.
d
sin
x
abx
=
22
22
22
tan
1
2
ln
tan
2
x
abba
C
x
ba
abba
22()ab
105.
d
cos
x
abx
=
2
arctan(tan)
2
ababx
C
ababab
22()ab
106.
d
cos
x
abx
=
tan
1
2
ln
tan
2
xab
ab
ba
C
abba
xab
ba
22()ab
.
.
107.2222
d
cossin
x
axbx
=
1
arctan(tan)
b
xC
aba
108.2222
d
cossin
x
axbx
=
1tan
ln
2tan
bxa
C
abbxa
109.
sindxaxx
=2
11
sincosaxxaxC
aa
110.
2sindxaxx
=
2
23
122
cossincosxaxxaxaxC
aaa
111.
cosdxaxx
=2
11
cossinaxxaxC
aa
112.
2cosdxaxx
=
2
23
122
sincossinxaxxaxaxC
aaa
(十二)含有反三角函数的积分(其中
0a
)
113.
arcsind
x
x
a
=
22arcsin
x
xaxC
a
114.
arcsind
x
xx
a
=
22
22()arcsin
244
xaxx
axC
a
115.
2arcsind
x
xx
a
=
3
2222
1
arcsin(2)
39
xx
xaaxC
a
116.
arccosd
x
x
a
=
22arccos
x
xaxC
a
.
.
117.
arccosd
x
xx
a
=
22
22()arccos
244
xaxx
axC
a
118.
2arccosd
x
xx
a
=
3
2222
1
arccos(2)
39
xx
xaaxC
a
119.
arctand
x
x
a
=
22arctanln()
2
xa
xaxC
a
120.
arctand
x
xx
a
=
22
1
()arctan
22
xa
axxC
a
121.
2arctand
x
xx
a
=
33
222arctanln()
366
xxaa
xaxC
a
(十三)含有指数函数的积分
122.
dxax
=
1
ln
xaC
a
123.
edaxx
=
1
eaxC
a
124.
edaxxx
=2
1
(1)eaxaxC
a
125.
ednaxxx
=
1
1
eednaxnax
n
xxx
aa
126.
dxxax
=
2
1
ln(ln)
xx
x
aaC
aa
.
.
127.
dnxxax
=
1
1
d
lnln
nxnx
n
xaxax
aa
128.
esindaxbxx
=22
1
e(sincos)axabxbbxC
ab
129.
ecosdaxbxx
=22
1
e(sincos)axbbxabxC
ab
130.
esindaxnbxx
=
1
222
1
esin(sincos)axnbxabxnbbx
abn
2
2
222
(1)
esindaxn
nnb
bxx
abn
131.
ecosdaxnbxx
=
1
222
1
ecos(cossin)axnbxabxnbbx
abn
2
2
222
(1)
ecosdaxn
nnb
bxx
abn
(十四)含有对数函数的积分
132.
lndxx
=
lnxxxC
133.
d
ln
x
xx
=
lnlnxC
134.
lndnxxx
=
1
11
(ln)
11
nxxC
nn
135.
(ln)dnxx
=
1(ln)(ln)dn
nxxnxx
.
.
136.
(ln)dmnxxx
=
11
1
(ln)(ln)d
11
mnmn
n
xxxxx
mm
(十五)含有双曲函数的积分
137.
shdxx
=
chxC
138.
chdxx
=
shxC
139.
thdxx
=
lnchxC
140.
2shdxx
=
1
sh2
24
x
xC
141.
2chdxx
=
1
sh2
24
x
xC
(十六)定积分
142.
cosdnxx
=
sindnxx
=0
143.
cossindmxnxx
=0
144.
coscosdmxnxx
=
0,
,
mn
mn
145.
sinsindmxnxx
=
0,
,
mn
mn
146.0
sinsindmxnxx
=0
coscosdmxnxx
=
0,
,
2
mn
mn
.
.
147.n
I
=
2
0
sindnxx
=
2
0
cosdnxx
n
I
=2
1
n
n
I
n
1342
253n
nn
I
nn
(
n
为大于1的正奇数),1
I
=1
1331
2422n
nn
I
nn
(
n
为正偶数),0
I
=
2