Integral of 1/n^x dx
The solution
The answer (Indefinite)
[src]
/ // -x \
| ||-n |
| 1 ||------ for log(n) != 0|
| -- dx = C + |
$$\int \frac{1}{n^{x}}\, dx = C + \begin{cases} - \frac{n^{- x}}{\log{\left(n \right)}} & \text{for}\: \log{\left(n \right)} \neq 0 \\x & \text{otherwise} \end{cases}$$
/ 1 1
|------ - -------- for Or(And(n >= 0, n < 1), n > 1)
$$\begin{cases} \frac{1}{\log{\left(n \right)}} - \frac{1}{n \log{\left(n \right)}} & \text{for}\: \left(n \geq 0 \wedge n < 1\right) \vee n > 1 \\1 & \text{otherwise} \end{cases}$$
=
/ 1 1
|------ - -------- for Or(And(n >= 0, n < 1), n > 1)
$$\begin{cases} \frac{1}{\log{\left(n \right)}} - \frac{1}{n \log{\left(n \right)}} & \text{for}\: \left(n \geq 0 \wedge n < 1\right) \vee n > 1 \\1 & \text{otherwise} \end{cases}$$
Piecewise((1/log(n) - 1/(n*log(n)), (n > 1)∨((n >= 0)∧(n < 1))), (1, True))
Use the examples entering the upper and lower limits of integration.