Given the matrices Anxm, Bnxp, Cnx n ₁ Dm x p , E p : ‚ B₁ x p ₁ C ₁ x n , Dmxp , Ep xn and Cnxn is a singular matrix, which of the following matrix equation is not valid? a. Anxm. Dmx p = Bnxp b. Bnxp. Epxn = Cnxn c. Cnxn. Bnxp = Anxm d. Anxm. Dmxp. Epxn = Cnxn e. None of the above

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