Show that if ad - bc = 0, then the equation Ax = 0 has more than
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Show that if ad - bc = 0, then the equation Ax = 0 has more than one solution. Why does this imply that A is not invertible? are not both zero, consider the vector,
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Suppose A solution X Then AX a b and ad bc 0 If a b 0 then examine d d 1 This solution is nonzero e...View the full answer
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Related Book For 
Linear Algebra And Its Applications
ISBN: 9781292351216
6th Global Edition
Authors: David Lay, Steven Lay, Judi McDonald
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