Unformatted text preview: A is non–singular. 17. A = 1 a ba 1 cbc 1 R 2 → R 2 + aR 1 R 3 → R 3 + bR 1 1 a b 1 + a 2 c + ab abc 1 + b 2 R 2 → 1 1+ a 2 R 2 1 a b 1 c + ab 1+ a 2 abc 1 + b 2 R 3 → R 3( abc ) R 2 1 a b 1 c + ab 1+ a 2 1 + b 2 + ( cab )( c + ab ) 1+ a 2 = B. 24...
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 Fall '10
 Dreibelbis
 Assumption of Mary, AlfaBeta Vassilopoulos

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