Question

B2
[1 -5 2 -3
(i) If A =
• then AB - 21 is,
| 6 7 | 4 8
where 'Tis unit matrix.
(a)
-20 -43
-40 12
(b)
|--16 43
40. 12
-20 443
40
8
(c)
[ 20 -43
|-40-8
(d)​

Answer 1

Answer:

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