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Unformatted text preview: 1 1 1 h1 h h 21 h 2 + 2 h . Now we take care of the second column: 1 1 1 h1 h h . Observe that we have a pivot in every column if and only if h 6 = 1 , 0. Thus the matrix is invertible whenever h 6 = 0 , 1. 1...
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 Fall '10
 Russel
 Linear Algebra, Algebra, Addition

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