What is the integral from 0 to L of x/(x) ?

The integral from 0 to L of x/(x) is -d(ln|d+L|-ln|d|)+L

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integral from 0 to L of x/(x)

\int_{0}^{L} \frac{x}{d + x} d x

- d (ln ∣ d + L ∣ - ln ∣ d ∣) + L

Solution steps

\int_{0}^{L} \frac{x}{d + x} d x

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

= \int_{0}^{L} - \frac{d}{d + 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_{0}^{L} \frac{d}{d + x} d x + \int_{0}^{L} 1 d x

\int_{0}^{L} \frac{d}{d + x} d x = d (ln ∣ d + L ∣ - ln ∣ d ∣)

\int_{0}^{L} 1 d x = L

= - d (ln ∣ d + L ∣ - ln ∣ d ∣) + L

\int \frac{d t}{t ^{3} t ^{2} - 9} d x

\frac{\partial}{\partial x} ((2 x + 5 y) e^{y})

\frac{\partial}{\partial x} (x + y - x y)

\int_{0}^{8} (x + 1)^{2} d x

y = arcsin (\frac{1}{x ^{5}})

What is the integral from 0 to L of x/(x) ?
The integral from 0 to L of x/(x) is -d(ln|d+L|-ln|d|)+L