Use the properties det(AB) = det(A) det(B) and det(I n ) = 1 for n x
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Use the properties det(AB) = det(A) • det(B) and det(In) = 1 for n x n matrices to show the following:
a. Then x n matrices with determinant 1 form a normal subgroup of GL(n, R).
b. Then x n matrices with determinant ±1 form a normal subgroup of GL(n, R).
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a Let H be the subset of GLn R consisting of the n n matrices with determinant 1 The property ...View the full answer
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