Question: Exercise 2.9 Show that the function defined by is a joint density function. Also, obtain its marginal density functions f(x, y) = 1 x +

Exercise 2.9 Show that the function defined by

f(x, y) = 1 x + y 1,

is a joint density function. Also, obtain its marginal density functions

f(x, y) = 1 x + y 1,

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