Problem #3: Consider the following matrix. a b A= d e f g h i Suppose that det(A) = 2. Let B be another 3 x 3 matrix (not given here) with det(B) = 3. Find the determinant of each of the following matrices. (a) a+2g -g -2d C=|b+2n -h =2e c+2i -i =2f (b) D=24"1B8T (c) E=-BA? (d) F=adj(B) Problem #3(a): Problem #3(b): Problem #3(c): Problem #3(d): as in these examples | Just Save | | Submit Problem #3 for Grading | Problem #3 | Attempt #1 Attempt #2 Attempt #3 Your Answer: | 3(a) 3(a) 3(a) 3(b) 3(b) 3(b) 3(c) 3(c) 3(c) 3(d) 3(d) 3(d) Your Mark: | 3(a) 3(a) 3(a) 3(b) 3(b) 3(b) 3(c) 3(c) 3(c) 3(d) 3(d) 3(d) Problem #4: Consider the following matrix. -8 -1 -5 A=| 2 1 -3 4 4 1 Let B = adj(A). Find b31, b3y, and b33. (i.e., find the entries in the third row of the adjoint of A.) Problem #4: I:I separate your answers with a comma | Just Save | | Submit Problem #4 for Grading Problem #4 Your Answer: Your Mark: Attempt #1 Attempt #2 Attempt #3