Problem #3: Consider the following matrix. 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 -8 -2d C = b + 2h -h -2e c + 2i -i -2f (b) D = 2A-1BT (c) E = -BA2 (d) F = adj(B) Problem #3(a): Enter your answer symbolically, Problem #3(b) : as in these examples Problem #3(c): Problem #3(d): Just Save Submit Problem #3 for Grading Problem #3 Attempt #1 Attempt #2 Attempt #3 Your Answer: | 3(a) -2 3(b) - 16 3 (a 3(a) 3 (b) 3 ( b ) 3(c) -12 3 ( C ) 3(c) 3(d) 9 3(d) 3 ( d) Your Mark: 3(a) 1/2 vX 3(a) 3(a) 3(b) 0/2x 3 ( b ) 3 ( b ) 3 (c) 2/2 v 3 (c ) 3 ( C ) 3(d) 2/2 v 3(d) 3 (d) Note: Your mark on each question will be the MAXIMUM of your marks on each try. So there is no harm in making another attempt at a partially correct answer.) Problem #4: Consider the following matrix. - 3 Let B = adj(A). Find b31, b32, and b33. (i.e., find the entries in the third row of the adjoint of A.) Problem # 4: 8,-34,-6 separate your answers with a comma Just Save Submit Problem #4 for Grading Problem #4 |Attempt #1 Attempt #2 Attempt # 3 Your Answer 8, -34, -6 Your Mark: 2/3 VX Note: Your mark on each question will be the MAXIMUM of your marks on each try. (So there is no harm in making another attempt at a partially correct answer.)