Unformatted text preview: False . The dimension of the column space of A is rank A . (b) True or False . The dimension of Col A is the number of pivot columns. (c) True or False . If A T is not invertible, then A is not invertible. (d) True or False . If AB is invertible, then so is B . (6) Let A and P be square matrices, with P invertible. Show that det ( PAP1 )= det ( A ). (7) Find the inverse of the matrix A = 1 2 1 3 43 8 . 1...
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 Fall '09
 Math, Linear Algebra, Eigenvectors, Vectors, Matrices, LU factorization, Compute A7

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