**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 ( PAP-1 )= det ( A ). (7) Find the inverse of the matrix A = 1 2 1 3 4-3 8 . 1...

View
Full Document

- Fall '09
- Math, Linear Algebra, Eigenvectors, Vectors, Matrices, LU factorization, Compute A7