zahraamatar
zahraamatar
27-09-2021
Mathematics
contestada
e) (2 + 4i). (9 -- 3i)
Respuesta :
discipulus
discipulus
28-09-2021
Answer:
[tex](2 + 4i)(9 - 3i) \in \C \\ = 18 - 6i + 36i + 12 \\ = 30 + 30i \\ = 30(1 + i)[/tex]
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