Question: I need detailed help with this question. Thanks! [a b 4d - 2g 4e - 2h 4f -21] 1. (5 points) Let A = d

I need detailed help with this question. Thanks!

I need detailed help with this question. Thanks!
[a b 4d - 2g 4e - 2h 4f -21] 1. (5 points) Let A = d e f and B = 2a 2b 2c Assume that | B| = 80. hi [3a + 5g 3b + 5h 3c + 5i] (A) Find |A|. (solution) (B) Find |-3A|. solution) (C) Find |A2B-11. (solution) (D) Find |ABT|. (solution)

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