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# Find the integral $\int\frac{x^3}{1+x^4}dx$

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##  Final answer to the problem

$\frac{1}{4}\ln\left|2\left(x-\sqrt[4]{\frac{1}{4}}\right)^2+1\right|+\frac{1}{4}\ln\left|2\left(x+\sqrt[4]{\frac{1}{4}}\right)^2+1\right|+C_0$
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##  Step-by-step Solution 

How should I solve this problem?

• Choose an option
• Integrate by partial fractions
• Integrate by substitution
• Integrate by parts
• Integrate using tabular integration
• Integrate by trigonometric substitution
• Weierstrass Substitution
• Integrate using trigonometric identities
• Integrate using basic integrals
• Product of Binomials with Common Term
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1

Rewrite the expression $\frac{x^3}{1+x^4}$ inside the integral in factored form

$\int\frac{x^3}{\left(x^2-\sqrt[4]{4}x+1\right)\left(x^2+\sqrt[4]{4}x+1\right)}dx$

Learn how to solve problems step by step online.

$\int\frac{x^3}{\left(x^2-\sqrt[4]{4}x+1\right)\left(x^2+\sqrt[4]{4}x+1\right)}dx$

Learn how to solve problems step by step online. Find the integral int((x^3)/(1+x^4))dx. Rewrite the expression \frac{x^3}{1+x^4} inside the integral in factored form. Rewrite the fraction \frac{x^3}{\left(x^2-\sqrt[4]{4}x+1\right)\left(x^2+\sqrt[4]{4}x+1\right)} in 2 simpler fractions using partial fraction decomposition. Find the values for the unknown coefficients: A, B, C, D. The first step is to multiply both sides of the equation from the previous step by \left(x^2-\sqrt[4]{4}x+1\right)\left(x^2+\sqrt[4]{4}x+1\right). Multiplying polynomials.

##  Final answer to the problem

$\frac{1}{4}\ln\left|2\left(x-\sqrt[4]{\frac{1}{4}}\right)^2+1\right|+\frac{1}{4}\ln\left|2\left(x+\sqrt[4]{\frac{1}{4}}\right)^2+1\right|+C_0$

##  Explore different ways to solve this problem

Solving a math problem using different methods is important because it enhances understanding, encourages critical thinking, allows for multiple solutions, and develops problem-solving strategies. Read more

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0
a
b
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f
g
m
n
u
v
w
x
y
z
.
(◻)
+
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×
◻/◻
/
÷
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