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Find the integral $\int\frac{3}{x^2+3x}dx$

Used Formulas

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e
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ln
log
log
lim
d/dx
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>=
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sin
cos
tan
cot
sec
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asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

Basic Integrals

· Sum Rule for Integration
$\int\left(a+b+...\right)dx=\int adx+\int bdx+...$

Integrals of Rational Functions

$\int\frac{n}{a+b}dx=n\int\frac{1}{a+b}dx$
$\int\frac{n}{x+b}dx=nsign\left(x\right)\ln\left(x+b\right)+C$

Function Plot

Plotting: $\ln\left(x\right)-\ln\left(x+3\right)+C_0$

SnapXam A2
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0
a
b
c
d
f
g
m
n
u
v
w
x
y
z
.
(◻)
+
-
×
◻/◻
/
÷
2

e
π
ln
log
log
lim
d/dx
Dx
|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

How to improve your answer:

Main Topic: Integrals by Partial Fraction Expansion

The partial fraction decomposition or partial fraction expansion of a rational function is the operation that consists in expressing the fraction as a sum of a polynomial (possibly zero) and one or several fractions with a simpler denominator.

Used Formulas

3. See formulas

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