Question: 3. Let (X, F) be an adapted sequence F C F of random variables such that EX=0,vn. Show that S, X, +...+X, is a martingale

3. Let (X, F) be an adapted sequence F C F of random variables such that EX=0,vn. Show that S, X, +...+X, is a martingale for (F).mzo

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