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Popular >

integral of x+1/x

Solution

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

Solution

\frac{x ^{2}}{2} + ln ∣ x ∣ + C

Solution steps

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

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int x d x + \int \frac{1}{x} d x

\int x d x = \frac{x ^{2}}{2}

\int \frac{1}{x} d x = ln ∣ x ∣

= \frac{x ^{2}}{2} + ln ∣ x ∣

Add a constant to the solution

= \frac{x ^{2}}{2} + ln ∣ x ∣ + C

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Frequently Asked Questions (FAQ)

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