Find the integral $\int\frac{x^5+2}{x^2-1}dx$

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Final answer to the problem

$\frac{x^{4}}{4}+\frac{1}{2}x^2+\ln\left|\frac{x-1}{x+1}\right|+\frac{1}{2}\ln\left|x^2-1\right|+C_0$
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Step-by-step Solution

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  • Integrate using basic integrals
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1

Divide $x^5+2$ by $x^2-1$

$\begin{array}{l}\phantom{\phantom{;}x^{2}-1;}{\phantom{;}x^{3}\phantom{-;x^n}+x\phantom{;}\phantom{-;x^n}}\\\phantom{;}x^{2}-1\overline{\smash{)}\phantom{;}x^{5}\phantom{-;x^n}\phantom{-;x^n}\phantom{-;x^n}\phantom{-;x^n}+2\phantom{;}\phantom{;}}\\\phantom{\phantom{;}x^{2}-1;}\underline{-x^{5}\phantom{-;x^n}+x^{3}\phantom{-;x^n}\phantom{-;x^n}\phantom{-;x^n}}\\\phantom{-x^{5}+x^{3};}\phantom{;}x^{3}\phantom{-;x^n}\phantom{-;x^n}+2\phantom{;}\phantom{;}\\\phantom{\phantom{;}x^{2}-1-;x^n;}\underline{-x^{3}\phantom{-;x^n}+x\phantom{;}\phantom{-;x^n}}\\\phantom{;-x^{3}+x\phantom{;}-;x^n;}\phantom{;}x\phantom{;}+2\phantom{;}\phantom{;}\\\end{array}$

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$\begin{array}{l}\phantom{\phantom{;}x^{2}-1;}{\phantom{;}x^{3}\phantom{-;x^n}+x\phantom{;}\phantom{-;x^n}}\\\phantom{;}x^{2}-1\overline{\smash{)}\phantom{;}x^{5}\phantom{-;x^n}\phantom{-;x^n}\phantom{-;x^n}\phantom{-;x^n}+2\phantom{;}\phantom{;}}\\\phantom{\phantom{;}x^{2}-1;}\underline{-x^{5}\phantom{-;x^n}+x^{3}\phantom{-;x^n}\phantom{-;x^n}\phantom{-;x^n}}\\\phantom{-x^{5}+x^{3};}\phantom{;}x^{3}\phantom{-;x^n}\phantom{-;x^n}+2\phantom{;}\phantom{;}\\\phantom{\phantom{;}x^{2}-1-;x^n;}\underline{-x^{3}\phantom{-;x^n}+x\phantom{;}\phantom{-;x^n}}\\\phantom{;-x^{3}+x\phantom{;}-;x^n;}\phantom{;}x\phantom{;}+2\phantom{;}\phantom{;}\\\end{array}$

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Unlock the first 3 steps of this solution

Learn how to solve problems step by step online. Find the integral int((x^5+2)/(x^2-1))dx. Divide x^5+2 by x^2-1. Resulting polynomial. Expand the integral \int\left(x^{3}+x+\frac{x+2}{x^2-1}\right)dx into 3 integrals using the sum rule for integrals, to then solve each integral separately. The integral \int x^{3}dx results in: \frac{x^{4}}{4}.

Final answer to the problem

$\frac{x^{4}}{4}+\frac{1}{2}x^2+\ln\left|\frac{x-1}{x+1}\right|+\frac{1}{2}\ln\left|x^2-1\right|+C_0$

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Function Plot

Plotting: $\frac{x^{4}}{4}+\frac{1}{2}x^2+\ln\left(\frac{x-1}{x+1}\right)+\frac{1}{2}\ln\left(x^2-1\right)+C_0$

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5
6
7
8
9
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

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