What is the integral of (2x+1)/(x+x^2) ?

The integral of (2x+1)/(x+x^2) is ln|x+x^2|+C

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integral of (2x+1)/(x+x^2)

\int \frac{2 x + 1}{x + x ^{2}} d x

ln x + x^{2} + C

Solution steps

\int \frac{2 x + 1}{x + x ^{2}} d x

Apply u-substitution

: \int \frac{1}{u} d u

= \int \frac{1}{u} d u

Use the common integral:

\int \frac{1}{u} d u = ln (∣ u ∣)

= ln ∣ u ∣

Substitute back

u = x + x^{2}

= ln x + x^{2}

Add a constant to the solution

= ln x + x^{2} + C

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What is the integral of (2x+1)/(x+x^2) ?
The integral of (2x+1)/(x+x^2) is ln|x+x^2|+C