http://functions.wolfram.com/Element...06/01/02/0001/

This formula is easy, but the [Ellipsis] its difficult:

-1 + sqrt(sqrt(2)*sqrt(exp(z)+1)) - ((sqrt(sqrt(2)*sqrt(exp(z)+1))/3) +
(11/72)*(sqrt(sqrt(2)*sqrt(exp(z)+1)^(2/3) + [Ellipsis]

the Ellipsis I don't know I do

(Sorry my english LoL)


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