Question: need help with 1.1a and 1.1b 1.1. Let B be a 4 x 4 matrix to which we apply the following operations: 1. double column

need help with 1.1a and 1.1b

1.1. Let B be a 4 x 4 matrix to which we apply the following operations: 1. double column 1, . halve row 3, . add row 3 to row 1, . interchange columns 1 and 4, . subtract. row 2 from each of the other rows._ . replace column 4 by column 3, 7. delete column 1 (so that the column dimension is reduced by 1). (a) Write the result as a product of eight matrices. (b) Write it again as a product ABC (same B) of three matrices. 030!an

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