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Mathematics, 22.01.2022 01:20 sullydai6510

18. What is the product of (6 + 5i) and (3 - 7i) ? A: 53+27i
B: - 17 - 27i
C: -17+27i
D: 53 - 27i

19. Which is equivalent to (1 - 14i)(5 - 3i) ?

A: 50 – 70i +42i2
B: -37 - 73i
C: 47+ 3i
D: 5+42i2

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18. What is the product of (6 + 5i) and (3 - 7i) ? A: 53+27i
B: - 17 - 27i
C: -17+27i<...

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