What is the integral of ((1+15x))/x ?

The integral of ((1+15x))/x is ln|x|+15x+C

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integral of ((1+15x))/x

\int \frac{( 1 + 15 x )}{x} d x

ln ∣ x ∣ + 15 x + C

Solution steps

\int \frac{1 + 15 x}{x} d x

Expand

\frac{1 + 15 x}{x} : \frac{1}{x} + 15

= \int \frac{1}{x} + 15 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 15 d x

\int \frac{1}{x} d x = ln ∣ x ∣

\int 15 d x = 15 x

= ln ∣ x ∣ + 15 x

Add a constant to the solution

= ln ∣ x ∣ + 15 x + C

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What is the integral of ((1+15x))/x ?
The integral of ((1+15x))/x is ln|x|+15x+C