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4. Use properties of determinants and block matrix multiplication to prove that the determinant of a block diagonal matrix is the product of the deterninants

4. Use properties of determinants and block matrix multiplication to prove that the determinant of a block diagonal matrix is the product of the deterninants of the blocks. That is, /[A 0 0 det A2 0 - det(A) det(Az)det(An). 00 A

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