Basic Integration Formulas

Rarely Tested

$$ \int x^n \, dx = \frac{x^{n+1}}{n+1} + C \quad (n \neq -1) $$
$$ \int \frac{1}{x} \, dx = \ln |x| + C $$
$$ \int e^x \, dx = e^x + C $$
$$ \int a^x \, dx = \frac{a^x}{\ln a} + C \quad (a \gt 0, a \neq 1) $$
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