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Beginning
1
일반적인 적분공식
Toggle 일반적인 적분공식 subsection
1.1
치환적분법
1.2
부분적분법
2
유리함수의 적분
3
삼각함수의 적분
4
지수함수의 적분
5
로그함수의 적분
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User
:
Hwangjy9/적분 공식
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From Wikiversity
<
User:Hwangjy9
일반적인 적분공식
[
edit
]
치환적분법
[
edit
]
부분적분법
[
edit
]
유리함수의 적분
[
edit
]
∫
x
n
d
x
=
x
n
+
1
n
+
1
+
C
if
n
≠
−
1
{\displaystyle \int x^{n}\,dx={\frac {x^{n+1}}{n+1}}+C\qquad {\mbox{ if }}n\neq -1}
∫
x
−
1
d
x
=
ln
|
x
|
+
C
{\displaystyle \int x^{-1}\,dx=\ln {\left|x\right|}+C}
삼각함수의 적분
[
edit
]
∫
cos
x
d
x
=
sin
x
+
C
{\displaystyle \int \cos {x}\,dx=\sin {x}+C}
∫
sin
x
d
x
=
−
cos
x
+
C
{\displaystyle \int \sin {x}\,dx=-\cos {x}+C}
∫
tan
x
d
x
=
−
ln
|
cos
x
|
+
C
{\displaystyle \int \tan {x}\,dx=-\ln {\left|\cos {x}\right|}+C}
∫
csc
x
d
x
=
ln
|
csc
x
−
cot
x
|
+
C
{\displaystyle \int \csc {x}\,dx=\ln {\left|\csc {x}-\cot {x}\right|}+C}
∫
sec
x
d
x
=
ln
|
sec
x
+
tan
x
|
+
C
{\displaystyle \int \sec {x}\,dx=\ln {\left|\sec {x}+\tan {x}\right|}+C}
∫
cot
x
d
x
=
ln
|
sin
x
|
+
C
{\displaystyle \int \cot {x}\,dx=\ln {\left|\sin {x}\right|}+C}
∫
sec
2
x
d
x
=
tan
x
+
C
{\displaystyle \int \sec ^{2}x\,dx=\tan x+C}
∫
csc
2
x
d
x
=
−
cot
x
+
C
{\displaystyle \int \csc ^{2}x\,dx=-\cot x+C}
∫
sin
2
m
x
d
x
=
1
2
m
(
m
x
−
sin
m
x
cos
m
x
)
+
C
{\displaystyle \int \sin ^{2}mx\,dx={{\frac {1}{2m}}(mx-\sin mx\cos mx)}+C}
∫
cos
2
m
x
d
x
=
1
2
m
(
m
x
+
sin
m
x
cos
m
x
)
+
C
{\displaystyle \int \cos ^{2}mx\,dx={{\frac {1}{2m}}(mx+\sin mx\cos mx)}+C}
지수함수의 적분
[
edit
]
∫
e
x
d
x
=
e
x
+
C
{\displaystyle \int e^{x}\,dx=e^{x}+C}
∫
a
x
d
x
=
a
x
ln
a
+
C
{\displaystyle \int a^{x}\,dx={\frac {a^{x}}{\ln {a}}}+C}
로그함수의 적분
[
edit
]
∫
ln
x
d
x
=
x
ln
x
−
x
+
C
{\displaystyle \int \ln {x}\,dx=x\ln {x}-x+C}
∫
log
a
x
d
x
=
x
log
a
x
−
x
ln
a
+
C
{\displaystyle \int \log _{a}x\,dx=x\log _{a}x-{\frac {x}{\ln a}}+C}