73. Let A be an m x n matrix of rank m and let B be an
Question:
73. Let A be an m x n matrix of rank m and let B be an m x m matrix of rank m.
Show that (A'BA)- = A B' A'.
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Related Book For 
Matrices With Applications In Statistics
ISBN: 9780534980382
2nd Edition
Authors: Franklin A Graybill
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