Question: [1 0 a) Let A = 2 0 Lo 2 2 Find all values of a for which the matrix A has inverse. a

[1 0 a) Let A = 2 0 Lo 2 2 Find

[1 0 a) Let A = 2 0 Lo 2 2 Find all values of a for which the matrix A has inverse. a Find A-1 (in terms of a) for the cases where it exists. [2 1 2 3 4 b) Let A = 8 By transforming A to upper triangular form 4 1 -1 -3 -4] find |A|. 26

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