quiz3 - MAS 3105 Quiz 3 September 16, 2010 1) For the...

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Unformatted text preview: MAS 3105 Quiz 3 September 16, 2010 1) For the following two matrices, find AB and BA. A= 1 2 0 −1 211 1 12 0 1 B= 1 1 2 −1 2) Find the inverse of the following matrix. Show ALL of your steps. −1 0 2 2 3 1 1 21 3) Find the number x that will make the following matrix not invertible. 101 2 3 3 03x 4) Matrices A and B are both 3 × 3 invertible matrices. What is the rank of AB T ? You should probably use some of those theorems from 2.3 and 2.4 to figure this out. ...
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