Exercise 2.4 (a) Show that AVA = AV =VA. (b) Show that AV1A = AV1 =V1A. (c)
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Exercise 2.4
(a) Show that AVA = AV =VA.
(b) Show that AV−1A = AV−1 =V−1A.
(c) Show that A is the same for any choice of XV−1X
−
.
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