In mathematics, the exponential function is the unique real function which maps zero to one and has a derivative everywhere equal to its value. It is denoted e x {\displaystyle e^{x}} or exp x {\displaystyle \exp x} ; the latter is preferred when the argument x {\displaystyle x} is a complicated expression.
In mathematics, the exponential function is the unique real function which maps zero to one and has a derivative everywhere equal to its value. It is denoted e x {\displaystyle e^{x}} or exp x {\displaystyle \exp x} ; the latter is preferred when the argument x {\displaystyle x} is a complicated expression.
Source: Wikipedia "Exponential function" · CC BY-SA 4.0
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