6. [-/1 Points] DETAILS MY NOTES LARLINALG8 2.1.049. Express the column matrix b as a linear combination of the columns of A. (Use A1, A2, and A3 respectively for the columns of A.) b = 2-3 1 -11 A = b = 1 3-1 11 Need Help? Read It Watch It Submit Answer 7. [-/1 Points] DETAILS MY NOTES LARLINALG8 2.1.055. Solve the matrix equation for a, b, c, and d. 1 2 a b = 3 4 cd 65 198 [a b] = Need Help? Read It Watch It Submit Answer LARLINALG8 2.1.059. 8. [-/1 Points] DETAILS MY NOTES Find the products AB and BA for the diagonal matrices. AB = BA = 10 A = B = 0-5 2

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