Simplify the following expression where ai and bi are N-length arrays of random variables (q +')

Question

Question

Simplify the following expression where ai and bi are N-length arrays of random variables

(q +)

Answer 1

Answer #1

E cait bi) ² where ai and bi is N-longth of fandom variable. consider, -) Ž (ai²+ zaibitbit Z 121 lait bi 「日 7 MIS Sailt szai

Answer 2

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