"e" (AQA A-Level Mathematics): Quizzes

$2.718281828$

$e^{x}$

Natural logarithm $\ln$

$ke^{kx}$

$x^2$

$\ln(-5)$ is undefined

Exponentiate both sides

$\ln(x)$ is the inverse of $e^{x}$

$\frac{1}{2}(\ln(5) - 3)$

$40$