Let A be an n x n matrix and let Q and V be n n
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(a) ||QA||2 = ||A||2
(b) ||AV||2 = ||A||2
(c) ||QAV||2 = ||A||2
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a If x is any vector in Rr then Ax is a vector in Rn and QAx 2 Ax 2 Thus for any nonzero ...View the full answer
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