1.
(a) F
(b) T
(c) F
(d) T
(e) F
(f) F
(g) F
(h) F
(i) T
(j) T
2.
(a) A(2B+3C)=(205−910188) and A(BD)=(29−26)
(b) AtB=(232619−1010) and CB=(2779)
3. (a) [T]β=⎛⎝⎜200330064⎞⎠⎟, [U]γβ=⎛⎝⎜10110−1010⎞⎠⎟, and [UT]γβ=⎛⎝⎜20260064−6⎞⎠⎟
4.
(a) ⎛⎝⎜⎜⎜1−146⎞⎠⎟⎟⎟
(c) (5)
12.
(a) No.
(b) No.
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