June 2019
Beginner
553 pages
17h 41m
English
1.
(a)
(b)
2. (a) and (c) are nonsingular.
3.
(a) 1;
(b) 4;
(c) 0;
(d) 58;
(e) ;
(f) 0;
(g) 8;
(h) 20
4.
(a) 2;
(b) ;
(c) 0;
(d) 0
5.
6.
11.
(a) Hint: Consider some examples with 2 × 2 matrices.
(b) Hint: Just use brute force. Compute det(A) and det(B) in terms of and compare the result to what you get if you first compute AB and then take its determinant.
(c) Hint: Make use of the result from part (b).
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