Use the formula of Problem 29 to find a 2 x 2 matrix A such that A

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Use the formula of Problem 29 to find a 2 x 2 matrix A such that A ≠ 0 and A ≠ I but such that A2 = A.



Problem 29


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where I denotes the 2 x 2 identity matrix. Thus every 2 x 2 matrix A satisfies the equation


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Differential Equations And Linear Algebra

ISBN: 9780134497181

4th Edition

Authors: C. Edwards, David Penney, David Calvis

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