Find the integral $\int\frac{2x^3+2x^2+8}{\left(x^2-4x+4\right)\left(x^2+4\right)}dx$

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Final answer to the problem

$\frac{-4}{x-2}+\arctan\left(\frac{x}{2}\right)+2\ln\left|x-2\right|+C_0$
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Step-by-step Solution

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  • Integrate by partial fractions
  • Integrate by substitution
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  • Integrate using tabular integration
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  • Weierstrass Substitution
  • Integrate using trigonometric identities
  • Integrate using basic integrals
  • Product of Binomials with Common Term
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Rewrite the expression $\frac{2x^3+2x^2+8}{\left(x^2-4x+4\right)\left(x^2+4\right)}$ inside the integral in factored form

Learn how to solve integrals by partial fraction expansion problems step by step online.

$\int\frac{2x^3+2x^2+8}{\left(x-2\right)^{2}\left(x^2+4\right)}dx$

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Learn how to solve integrals by partial fraction expansion problems step by step online. Find the integral int((2x^3+2x^2+8)/((x^2-4x+4)(x^2+4)))dx. Rewrite the expression \frac{2x^3+2x^2+8}{\left(x^2-4x+4\right)\left(x^2+4\right)} inside the integral in factored form. Rewrite the fraction \frac{2x^3+2x^2+8}{\left(x-2\right)^{2}\left(x^2+4\right)} in 3 simpler fractions using partial fraction decomposition. Expand the integral \int\left(\frac{4}{\left(x-2\right)^{2}}+\frac{2}{x^2+4}+\frac{2}{x-2}\right)dx into 3 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int\frac{4}{\left(x-2\right)^{2}}dx results in: \frac{-4}{x-2}.

Final answer to the problem

$\frac{-4}{x-2}+\arctan\left(\frac{x}{2}\right)+2\ln\left|x-2\right|+C_0$

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Plotting: $\frac{-4}{x-2}+\arctan\left(\frac{x}{2}\right)+2\ln\left(x-2\right)+C_0$

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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

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