Suppose A12 is an invertible matrix. Find matrices X and Y such that the product below has the form indicated. Also, compute B21- [Hint: Compute the product on the left, and set it equal to the right side.] I0 0 A11 A12 B11 B12 Y I O A21 A22 B21 хоI A31 A32 B31 ... Find X. Choose the correct answer below. O A. X= A32 + A12 O B. X= A22 - A2 O. X=A22A12 1 O D. X= A32A2 -1 O E. X= - A22A12 OF. X=A22A12 1 O G. X= - A32A2 O H. X= A32A12

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