Question: Let G be a pseudorandom generator with expansion factor ((n) > 2n. In each of the following cases, say whether G' is necessarily a pseudorandom

Let G be a pseudorandom generator with expansion factor ((n) >

Let G be a pseudorandom generator with expansion factor ((n) > 2n. In each of the following cases, say whether G' is necessarily a pseudorandom generator. If yes, give a proof; if not, show a counterexample. def (a) Define G(G(Sn/, where s-siSn (b) Define G( (s) (c) Define G,(s)o!ef(s) 11 76+1)

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