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Popular >

integral of (1-x)/x

Solution

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

Solution

ln ∣ x ∣ - x + C

Solution steps

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

Expand

\frac{1 - x}{x} : \frac{1}{x} - 1

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

\int \frac{1}{x} d x = ln ∣ x ∣

\int 1 d x = x

= ln ∣ x ∣ - x

Add a constant to the solution

= ln ∣ x ∣ - x + C

Graph

Popular Examples

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\int x^{2} (2 x^{3} - 5)^{4} d x

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Frequently Asked Questions (FAQ)

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