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Question: 4 3 21and bo 1 given two matrices a a...

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4 3 21and B-o 1 Given two matrices A a. Compute the product AB using the definition of matrix multiplication b. Partition A into 2 blocks by a vertical line between its 2nd and 3rd columns, and partition B into 2 2 -2 blocks by a horizontal line between its 2nd and 3rd rows. Compute AB using block operations. c. Find one matrix D of the size 3 x 2 such that AD I, where I is the 2x 2 identity matrix. (Note: There may be many matrices D, you just need to give a concrete example of D).

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