Answer:
(i) Let
Expanding along C1, we get
= 3 (0 ? 5) + 3 (1 ? 0)
= ? 15 + 3 = ?12
(ii) Let .
Expanding along C1, we get
+ 2
= 3 (1 + 6) ? 1(?4 ? 15) + 2 (8 ? 5)
= 21 + 19 + 6 = 46
(iii) Let
Expanding along R1, we get
= ? 1(0 ? 6) + 2 (? 3 ? 0)
= 6 ? 6 = 0
(iv) Let
Expanding along C1, we get
= 2 (0 ? 5) + 3 (1 + 4)
= ? 10 + 15 = 5.
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