Homework 6 Solution

Homework 6 Solution

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Unformatted text preview: −1 0 ... 0 0 −1 ... 0 = (−1)n+1 .. 0 0 = (−1)n+1 (−1)n−1 = 1 . −1 30. Expand along column 3: f (t) = (b − a)t2 − (b2 − a2 )t + (ab2 − ba2 ) = (b − a)(t − a)(t − b). The matrix is invertible for t = a, b. 35. Expand along column 1: (a1 b2 − b1 a2 ) − (b2 − a2 )x1 + (b1 − a1 )x2 = 0 describes a line in R2 . 111 111 a1 b1 and satisfy the equation: det a1 a1 b1 = det b1 a1 b1 = 0. a2 b2 b2 a2 b2 a2 a2 b2...
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This document was uploaded on 02/26/2014 for the course MATH 201 at Drexel.

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