(a) A block matrix Is called block diagonal if A and B are square matrices, not necessarily...
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Is called block diagonal if A and B are square matrices, not necessarily of the same size, while the O's are zero matrices of the appropriate sizes. Prove that D has an inverse if and only if both A and B do, and
(b) Find the inverse of
by using this method.
Transcribed Image Text:
A-1 O O B-1 2 0 2 2 0 0 2 1 0 and ,003 00 2 5/
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