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Popular Calculus >

integral of (7+x)/x

Solution

\int \frac{7 + x}{x} d x

Solution

7 ln ∣ x ∣ + x + C

Solution steps

\int \frac{7 + x}{x} d x

Expand

\frac{7 + x}{x} : \frac{7}{x} + 1

= \int \frac{7}{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{7}{x} d x + \int 1 d x

\int \frac{7}{x} d x = 7 ln ∣ x ∣

\int 1 d x = x

= 7 ln ∣ x ∣ + x

Add a constant to the solution

= 7 ln ∣ x ∣ + x + C

Graph

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Frequently Asked Questions (FAQ)

What is the integral of (7+x)/x ?
The integral of (7+x)/x is 7ln|x|+x+C