We define the included point topology by Tp={ UCR;U=Ø or pEU}. Let A = [3,5[, then A is dense in Rif * Ris equipped with Tp and p =3 O None of the choices Ris equipped with Tp and p =5 O Ris equipped with the usual topology

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A: The given matrices are: R=123i4, S=3i70, To prove: (RS)*=S*R*.

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