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Unformatted text preview: 124 1 Solutions . It is not possible to have 16.
since and . 17. (a) Choose, for example, and (b) . precisely when . , 18.
19.
20.
21. (a) ; the two rows of
; to the ﬁrst row is added are switched. (b)
times the second row while the second row is unchanged, (c) to the second row is added times the ﬁrst
row while the ﬁrst row is unchanged. (d) the ﬁrst row is multiplied by
while the second row is unchanged, (e) the second row is multiplied by
while the ﬁrst row is unchanged. Section 6.2
1. (a) (b) 2. 3. , , , , and , , and . ...
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This note was uploaded on 12/22/2011 for the course MAP 2302 taught by Professor Bell,d during the Fall '08 term at UNF.
 Fall '08
 BELL,D

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