Return to Revisions

2 of 2

Commonmark migration

edited Jun 15, 2020 at 7:27

Maple 2015 produces a simple answer by

with(Statistics): X := RandomVariable(Normal(0, sigma)):

Mean(c+exp(X))^(-n) assuming c>0, n::posint;

$$ \left( c+{{\rm e}^{1/2\,{\sigma}^{2}}} \right) ^{-n} $$

answered Aug 18, 2015 at 15:59