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Find the product of these complex numbers.
(4-5i)(1-i) =
A. -1-9i
B. 9+9i
C. 9-9i
D. -1+9i

Respuesta :

Answer:

A

Step-by-step explanation:

4-4i-5i-5ix(-i)

4-4i-5i+5i^2

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