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Find the integral $\int\frac{2x-1}{x^2-8x+15}dx$

Step-by-step Solution

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Solution

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Final Answer

$-\frac{5}{2}\ln\left(x-3\right)+\frac{9}{2}\ln\left(x-5\right)+C_0$
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Step-by-step Solution

Problem to solve:

$\int\frac{2x-1}{x^2-8x+15}dx$

Specify the solving method

1

Rewrite the expression $\frac{2x-1}{x^2-8x+15}$ inside the integral in factored form

$\int\frac{2x-1}{\left(x-3\right)\left(x-5\right)}dx$
2

Rewrite the fraction $\frac{2x-1}{\left(x-3\right)\left(x-5\right)}$ in $2$ simpler fractions using partial fraction decomposition

$\frac{2x-1}{\left(x-3\right)\left(x-5\right)}=\frac{A}{x-3}+\frac{B}{x-5}$

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

$\int\frac{2x-1}{\left(x-3\right)\left(x-5\right)}dx$

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Learn how to solve integrals by partial fraction expansion problems step by step online. Find the integral int((2x-1)/(x^2-8x+15))dx. Rewrite the expression \frac{2x-1}{x^2-8x+15} inside the integral in factored form. Rewrite the fraction \frac{2x-1}{\left(x-3\right)\left(x-5\right)} in 2 simpler fractions using partial fraction decomposition. Find the values for the unknown coefficients: A, B. The first step is to multiply both sides of the equation from the previous step by \left(x-3\right)\left(x-5\right). Multiplying polynomials.

Final Answer

$-\frac{5}{2}\ln\left(x-3\right)+\frac{9}{2}\ln\left(x-5\right)+C_0$

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

Solve int((2x-1)/(x^2-8x+15))dx using partial fractionsSolve int((2x-1)/(x^2-8x+15))dx using basic integralsSolve int((2x-1)/(x^2-8x+15))dx using u-substitutionSolve int((2x-1)/(x^2-8x+15))dx using integration by partsSolve int((2x-1)/(x^2-8x+15))dx using trigonometric substitution
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Go!
1
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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
D□x
∫
∫◻
|◻|
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:

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$\int\frac{2x-1}{x^2-8x+15}dx$

Main topic:

Integrals by Partial Fraction Expansion

Used formulas:

3. See formulas

Time to solve it:

~ 0.12 s

Related topics:

Integrals of Rational FunctionsIntegral CalculusCalculusIndefinite IntegralsIntegrals by Partial Fraction ExpansionMatricesGaussian Elimination

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