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stira [4]
2 years ago
15

1) Simplify the expression

Mathematics
1 answer:
bazaltina [42]2 years ago
4 0

Answer:

21 + 12i

Step-by-step explanation:

Given

(3 - 4i)(1 + 5i) - (2 - i) expand the product of factors

= 3 + 11i - 20i² - 2 + i

= 3 + 11i + 20 - 2 + i  collect like terms

= 21 + 12i

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