Hi, Requesting urgent help for the question below. Please provide detailed explanation for clarity and guidance, and show all workings in steps.

(a) Let X1 and X; be two random 1.rariablee. Show that GOV (X15X2) = E(X1X2) E(X1) E(X2) (b) Prove that if p(X1,X2] is the correlation of two random variables X1 3.11ng then 1 S p{X1?X2) S 1 (Part (b) is a standard result, you Should be able to nd a proof on the web