Question: points) Define the function o: M(2, R) - R by o( A) = det(A). a) Determine whether o is a ring homomorphism. Show all work.

points) Define the function o: M(2, R) - R by o( A) = det(A). a) Determine whether o is a ring homomorphism. Show all work. b) Is M(2, R) ring isomorphic to R? Justify your

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