2. Identify which of the following matrices are upper triangular, diagonal, triangular, or an identity matrix....

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2. Identify which of the following matrices are upper triangular, diagonal, triangular, or an identity matrix. 1 0 0 0 0 0 0 2 A1 A2 = 2 00 A3 0 0 0 0 0 1 0 0 0 1 0 1 0 1 A4 A5 0 1 A6 0 0 0 0 0 1 x 0 0 0 0 1 1 0 0 0 0 2 0 A7 As 0 2 0 0 A9 2 0 2 0 1 1 1 1 1 0 1 0 0 1 A10 2 00 A11 A12 0 1 1 0 1 1 0 0 2. Identify which of the following matrices are upper triangular, diagonal, triangular, or an identity matrix. 1 0 0 0 0 0 0 2 A1 A2 = 2 00 A3 0 0 0 0 0 1 0 0 0 1 0 1 0 1 A4 A5 0 1 A6 0 0 0 0 0 1 x 0 0 0 0 1 1 0 0 0 0 2 0 A7 As 0 2 0 0 A9 2 0 2 0 1 1 1 1 1 0 1 0 0 1 A10 2 00 A11 A12 0 1 1 0 1 1 0 0

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1 A1 is an upper triangular matrix because all elements below main diagonal are zero 2A2 is an lower ... View the full answer