Step-by-step Solution

Integrate $\int\frac{\ln\left(x+1\right)}{x}dx$ with respect to x

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Step-by-step explanation

Problem to solve:

$\int\frac{\ln\left(x+1\right)}{x}dx$

Learn how to solve calculus problems step by step online.

$\int\frac{\ln\left(x+1\right)}{x}dx$

Unlock this full step-by-step solution!

Learn how to solve calculus problems step by step online. Calculate the integral of int(((ln(x+1)/x))dx. Use the Taylor series for rewrite the function \ln\left(x+1\right) as an approximation: \displaystyle f(x)=\sum_{n=0}^{\infty}\frac{f^{(n)}(a)}{n!}(x-a)^n, with a=0. Here we will use only the first four terms of the serie. Split the fraction \frac{x+\frac{-x^{2}}{2}+\frac{2x^{3}}{6}+\frac{-6x^{4}}{24}}{x} inside the integral, in two terms with common denominator x. Simplifying. The integral \int1dx results in: x.

Final Answer

$x-\frac{1}{4}x^2+\frac{1}{9}x^{3}-\frac{1}{16}x^{4}+C_0$

Problem Analysis

$\int\frac{\ln\left(x+1\right)}{x}dx$

Main topic:

Calculus

Related formulas:

4. See formulas

Time to solve it:

~ 0.22 seconds