(a) If is an upper triangular block matrix, where A11 and A22 are square matrices, then det(A)...
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is an "upper triangular" block matrix, where A11 and A22 are square matrices, then det(A) = det(A11) det(A22). Use this result t0 evaluate det(A) for
(b) Verify your answer in part (a) by using a cofactor expansion to evaluate det(A).
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Related Book For
Elementary Linear Algebra with Applications
ISBN: 978-0471669593
9th edition
Authors: Howard Anton, Chris Rorres
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