= Let (:M2 (2) – Z be given by.$(A) = det (A). That is ø [a ] = ad – be. Prove or disprove that this is a ring homomorph
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= Let (:M2 (2) – Z be given by.$(A) = det (A). That is ø [a ] = ad – be. Prove or disprove that this is a ring homomorph
= Let (:M2 (2) – Z be given by.$(A) = det (A). That is ø [a ] = ad – be. Prove or disprove that this is a ring homomorphism.
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