Question: Please refer to the question below, thanks! Find using transform methods Find using transform methods, the second moment E X2] of the Laplace RV having
Please refer to the question below, thanks!
Find using transform methods

Find using transform methods, the second moment E X2] of the Laplace RV having characteristic function Ox(@) = and. (The Laplace RV has pdf fx (x) = 4 ge-axl, x ER, but you do not need to know this to answer the question)
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