find the inverse laplace of 1/((s^2+8s+17)(1+e^(-pi*s)))

here second shifting can be applied but how as e^(-pi*s) is in the denominator

please help

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- March 5th 2013, 04:54 AMprasuminverse laplace
find the inverse laplace of 1/((s^2+8s+17)(1+e^(-pi*s)))

here second shifting can be applied but how as e^(-pi*s) is in the denominator

please help - March 5th 2013, 12:23 PMBobPRe: inverse laplace
You have to expand

as an infinite series. - March 6th 2013, 05:50 AMprasumRe: inverse laplace
what is the expansion series of 1/(1+e^-x)

- March 6th 2013, 10:48 AMBobPRe: inverse laplace
Make use of the binomial expansion,