Question: Using the properties of the gamma function, show that the gamma PDF integrates to 1, i.e., show that for , > 0, we have Xx-e-x

Using the properties of the gamma function, show that the gamma PDF integrates to 1, i.e., show that for α,λ > 0, we haveXx-e-x  r(a) So dx = 1.

Xx-e-x r(a) So dx = 1.

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