1. Let A and B be the following matrix A = Jab c B = za c-b bta def 2d f-e etd Lg h i 29 0-h htg ( 1). If dot (A ) = 4. what is det ( B ) ? show all of your work (2 ). If det ( A) = 2, compute det ( 3 A-1) (3 ). If det ( A) = 3. compute det ( ( AT) 2)